mirror of
https://gitlab.gnome.org/GNOME/libxml2.git
synced 2024-12-25 23:21:26 +03:00
687a2b719e
We don't have test cases with many documents, so set the initial table size to 1 when fuzzing, so there is a chance to detect reallocation issues.
2517 lines
66 KiB
C
2517 lines
66 KiB
C
/*
|
|
* xinclude.c : Code to implement XInclude processing
|
|
*
|
|
* World Wide Web Consortium W3C Last Call Working Draft 10 November 2003
|
|
* http://www.w3.org/TR/2003/WD-xinclude-20031110
|
|
*
|
|
* See Copyright for the status of this software.
|
|
*
|
|
* daniel@veillard.com
|
|
*/
|
|
|
|
#define IN_LIBXML
|
|
#include "libxml.h"
|
|
|
|
#include <string.h>
|
|
#include <libxml/xmlmemory.h>
|
|
#include <libxml/tree.h>
|
|
#include <libxml/parser.h>
|
|
#include <libxml/uri.h>
|
|
#include <libxml/xpath.h>
|
|
#include <libxml/xpointer.h>
|
|
#include <libxml/parserInternals.h>
|
|
#include <libxml/xmlerror.h>
|
|
#include <libxml/encoding.h>
|
|
#include <libxml/globals.h>
|
|
|
|
#ifdef LIBXML_XINCLUDE_ENABLED
|
|
#include <libxml/xinclude.h>
|
|
|
|
#include "private/buf.h"
|
|
#include "private/error.h"
|
|
#include "private/tree.h"
|
|
#include "private/xinclude.h"
|
|
|
|
#define XINCLUDE_MAX_DEPTH 40
|
|
|
|
/* #define DEBUG_XINCLUDE */
|
|
#ifdef DEBUG_XINCLUDE
|
|
#ifdef LIBXML_DEBUG_ENABLED
|
|
#include <libxml/debugXML.h>
|
|
#endif
|
|
#endif
|
|
|
|
/************************************************************************
|
|
* *
|
|
* XInclude context handling *
|
|
* *
|
|
************************************************************************/
|
|
|
|
/*
|
|
* An XInclude context
|
|
*/
|
|
typedef xmlChar *xmlURL;
|
|
|
|
typedef struct _xmlXIncludeRef xmlXIncludeRef;
|
|
typedef xmlXIncludeRef *xmlXIncludeRefPtr;
|
|
struct _xmlXIncludeRef {
|
|
xmlChar *URI; /* the fully resolved resource URL */
|
|
xmlChar *fragment; /* the fragment in the URI */
|
|
xmlNodePtr elem; /* the xi:include element */
|
|
xmlNodePtr inc; /* the included copy */
|
|
int xml; /* xml or txt */
|
|
int fallback; /* fallback was loaded */
|
|
int emptyFb; /* flag to show fallback empty */
|
|
int expanding; /* flag to detect inclusion loops */
|
|
int replace; /* should the node be replaced? */
|
|
};
|
|
|
|
typedef struct _xmlXIncludeDoc xmlXIncludeDoc;
|
|
typedef xmlXIncludeDoc *xmlXIncludeDocPtr;
|
|
struct _xmlXIncludeDoc {
|
|
xmlDocPtr doc; /* the parsed document */
|
|
xmlChar *url; /* the URL */
|
|
int expanding; /* flag to detect inclusion loops */
|
|
};
|
|
|
|
typedef struct _xmlXIncludeTxt xmlXIncludeTxt;
|
|
typedef xmlXIncludeTxt *xmlXIncludeTxtPtr;
|
|
struct _xmlXIncludeTxt {
|
|
xmlChar *text; /* text string */
|
|
xmlChar *url; /* the URL */
|
|
};
|
|
|
|
struct _xmlXIncludeCtxt {
|
|
xmlDocPtr doc; /* the source document */
|
|
int incNr; /* number of includes */
|
|
int incMax; /* size of includes tab */
|
|
xmlXIncludeRefPtr *incTab; /* array of included references */
|
|
|
|
int txtNr; /* number of unparsed documents */
|
|
int txtMax; /* size of unparsed documents tab */
|
|
xmlXIncludeTxt *txtTab; /* array of unparsed documents */
|
|
|
|
int urlNr; /* number of documents stacked */
|
|
int urlMax; /* size of document stack */
|
|
xmlXIncludeDoc *urlTab; /* document stack */
|
|
|
|
int nbErrors; /* the number of errors detected */
|
|
int fatalErr; /* abort processing */
|
|
int legacy; /* using XINCLUDE_OLD_NS */
|
|
int parseFlags; /* the flags used for parsing XML documents */
|
|
xmlChar * base; /* the current xml:base */
|
|
|
|
void *_private; /* application data */
|
|
|
|
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
|
|
unsigned long incTotal; /* total number of processed inclusions */
|
|
#endif
|
|
int depth; /* recursion depth */
|
|
int isStream; /* streaming mode */
|
|
};
|
|
|
|
static xmlXIncludeRefPtr
|
|
xmlXIncludeExpandNode(xmlXIncludeCtxtPtr ctxt, xmlNodePtr node);
|
|
|
|
static int
|
|
xmlXIncludeLoadNode(xmlXIncludeCtxtPtr ctxt, xmlXIncludeRefPtr ref);
|
|
|
|
static int
|
|
xmlXIncludeDoProcess(xmlXIncludeCtxtPtr ctxt, xmlNodePtr tree);
|
|
|
|
|
|
/************************************************************************
|
|
* *
|
|
* XInclude error handler *
|
|
* *
|
|
************************************************************************/
|
|
|
|
/**
|
|
* xmlXIncludeErrMemory:
|
|
* @extra: extra information
|
|
*
|
|
* Handle an out of memory condition
|
|
*/
|
|
static void
|
|
xmlXIncludeErrMemory(xmlXIncludeCtxtPtr ctxt, xmlNodePtr node,
|
|
const char *extra)
|
|
{
|
|
if (ctxt != NULL)
|
|
ctxt->nbErrors++;
|
|
__xmlRaiseError(NULL, NULL, NULL, ctxt, node, XML_FROM_XINCLUDE,
|
|
XML_ERR_NO_MEMORY, XML_ERR_ERROR, NULL, 0,
|
|
extra, NULL, NULL, 0, 0,
|
|
"Memory allocation failed : %s\n", extra);
|
|
}
|
|
|
|
/**
|
|
* xmlXIncludeErr:
|
|
* @ctxt: the XInclude context
|
|
* @node: the context node
|
|
* @msg: the error message
|
|
* @extra: extra information
|
|
*
|
|
* Handle an XInclude error
|
|
*/
|
|
static void LIBXML_ATTR_FORMAT(4,0)
|
|
xmlXIncludeErr(xmlXIncludeCtxtPtr ctxt, xmlNodePtr node, int error,
|
|
const char *msg, const xmlChar *extra)
|
|
{
|
|
if (ctxt != NULL)
|
|
ctxt->nbErrors++;
|
|
__xmlRaiseError(NULL, NULL, NULL, ctxt, node, XML_FROM_XINCLUDE,
|
|
error, XML_ERR_ERROR, NULL, 0,
|
|
(const char *) extra, NULL, NULL, 0, 0,
|
|
msg, (const char *) extra);
|
|
}
|
|
|
|
#if 0
|
|
/**
|
|
* xmlXIncludeWarn:
|
|
* @ctxt: the XInclude context
|
|
* @node: the context node
|
|
* @msg: the error message
|
|
* @extra: extra information
|
|
*
|
|
* Emit an XInclude warning.
|
|
*/
|
|
static void LIBXML_ATTR_FORMAT(4,0)
|
|
xmlXIncludeWarn(xmlXIncludeCtxtPtr ctxt, xmlNodePtr node, int error,
|
|
const char *msg, const xmlChar *extra)
|
|
{
|
|
__xmlRaiseError(NULL, NULL, NULL, ctxt, node, XML_FROM_XINCLUDE,
|
|
error, XML_ERR_WARNING, NULL, 0,
|
|
(const char *) extra, NULL, NULL, 0, 0,
|
|
msg, (const char *) extra);
|
|
}
|
|
#endif
|
|
|
|
/**
|
|
* xmlXIncludeGetProp:
|
|
* @ctxt: the XInclude context
|
|
* @cur: the node
|
|
* @name: the attribute name
|
|
*
|
|
* Get an XInclude attribute
|
|
*
|
|
* Returns the value (to be freed) or NULL if not found
|
|
*/
|
|
static xmlChar *
|
|
xmlXIncludeGetProp(xmlXIncludeCtxtPtr ctxt, xmlNodePtr cur,
|
|
const xmlChar *name) {
|
|
xmlChar *ret;
|
|
|
|
ret = xmlGetNsProp(cur, XINCLUDE_NS, name);
|
|
if (ret != NULL)
|
|
return(ret);
|
|
if (ctxt->legacy != 0) {
|
|
ret = xmlGetNsProp(cur, XINCLUDE_OLD_NS, name);
|
|
if (ret != NULL)
|
|
return(ret);
|
|
}
|
|
ret = xmlGetProp(cur, name);
|
|
return(ret);
|
|
}
|
|
/**
|
|
* xmlXIncludeFreeRef:
|
|
* @ref: the XInclude reference
|
|
*
|
|
* Free an XInclude reference
|
|
*/
|
|
static void
|
|
xmlXIncludeFreeRef(xmlXIncludeRefPtr ref) {
|
|
if (ref == NULL)
|
|
return;
|
|
#ifdef DEBUG_XINCLUDE
|
|
xmlGenericError(xmlGenericErrorContext, "Freeing ref\n");
|
|
#endif
|
|
if (ref->URI != NULL)
|
|
xmlFree(ref->URI);
|
|
if (ref->fragment != NULL)
|
|
xmlFree(ref->fragment);
|
|
xmlFree(ref);
|
|
}
|
|
|
|
/**
|
|
* xmlXIncludeNewRef:
|
|
* @ctxt: the XInclude context
|
|
* @URI: the resource URI
|
|
* @elem: the xi:include element
|
|
*
|
|
* Creates a new reference within an XInclude context
|
|
*
|
|
* Returns the new set
|
|
*/
|
|
static xmlXIncludeRefPtr
|
|
xmlXIncludeNewRef(xmlXIncludeCtxtPtr ctxt, const xmlChar *URI,
|
|
xmlNodePtr elem) {
|
|
xmlXIncludeRefPtr ret;
|
|
|
|
#ifdef DEBUG_XINCLUDE
|
|
xmlGenericError(xmlGenericErrorContext, "New ref %s\n", URI);
|
|
#endif
|
|
ret = (xmlXIncludeRefPtr) xmlMalloc(sizeof(xmlXIncludeRef));
|
|
if (ret == NULL) {
|
|
xmlXIncludeErrMemory(ctxt, elem, "growing XInclude context");
|
|
return(NULL);
|
|
}
|
|
memset(ret, 0, sizeof(xmlXIncludeRef));
|
|
if (URI == NULL)
|
|
ret->URI = NULL;
|
|
else
|
|
ret->URI = xmlStrdup(URI);
|
|
ret->fragment = NULL;
|
|
ret->elem = elem;
|
|
ret->xml = 0;
|
|
ret->inc = NULL;
|
|
if (ctxt->incNr >= ctxt->incMax) {
|
|
xmlXIncludeRefPtr *tmp;
|
|
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
|
|
size_t newSize = ctxt->incMax ? ctxt->incMax * 2 : 1;
|
|
#else
|
|
size_t newSize = ctxt->incMax ? ctxt->incMax * 2 : 4;
|
|
#endif
|
|
|
|
tmp = (xmlXIncludeRefPtr *) xmlRealloc(ctxt->incTab,
|
|
newSize * sizeof(ctxt->incTab[0]));
|
|
if (tmp == NULL) {
|
|
xmlXIncludeErrMemory(ctxt, elem, "growing XInclude context");
|
|
xmlXIncludeFreeRef(ret);
|
|
return(NULL);
|
|
}
|
|
ctxt->incTab = tmp;
|
|
ctxt->incMax = newSize;
|
|
}
|
|
ctxt->incTab[ctxt->incNr++] = ret;
|
|
return(ret);
|
|
}
|
|
|
|
/**
|
|
* xmlXIncludeNewContext:
|
|
* @doc: an XML Document
|
|
*
|
|
* Creates a new XInclude context
|
|
*
|
|
* Returns the new set
|
|
*/
|
|
xmlXIncludeCtxtPtr
|
|
xmlXIncludeNewContext(xmlDocPtr doc) {
|
|
xmlXIncludeCtxtPtr ret;
|
|
|
|
#ifdef DEBUG_XINCLUDE
|
|
xmlGenericError(xmlGenericErrorContext, "New context\n");
|
|
#endif
|
|
if (doc == NULL)
|
|
return(NULL);
|
|
ret = (xmlXIncludeCtxtPtr) xmlMalloc(sizeof(xmlXIncludeCtxt));
|
|
if (ret == NULL) {
|
|
xmlXIncludeErrMemory(NULL, (xmlNodePtr) doc,
|
|
"creating XInclude context");
|
|
return(NULL);
|
|
}
|
|
memset(ret, 0, sizeof(xmlXIncludeCtxt));
|
|
ret->doc = doc;
|
|
ret->incNr = 0;
|
|
ret->incMax = 0;
|
|
ret->incTab = NULL;
|
|
ret->nbErrors = 0;
|
|
return(ret);
|
|
}
|
|
|
|
/**
|
|
* xmlXIncludeFreeContext:
|
|
* @ctxt: the XInclude context
|
|
*
|
|
* Free an XInclude context
|
|
*/
|
|
void
|
|
xmlXIncludeFreeContext(xmlXIncludeCtxtPtr ctxt) {
|
|
int i;
|
|
|
|
#ifdef DEBUG_XINCLUDE
|
|
xmlGenericError(xmlGenericErrorContext, "Freeing context\n");
|
|
#endif
|
|
if (ctxt == NULL)
|
|
return;
|
|
if (ctxt->urlTab != NULL) {
|
|
for (i = 0; i < ctxt->urlNr; i++) {
|
|
xmlFreeDoc(ctxt->urlTab[i].doc);
|
|
xmlFree(ctxt->urlTab[i].url);
|
|
}
|
|
xmlFree(ctxt->urlTab);
|
|
}
|
|
for (i = 0;i < ctxt->incNr;i++) {
|
|
if (ctxt->incTab[i] != NULL)
|
|
xmlXIncludeFreeRef(ctxt->incTab[i]);
|
|
}
|
|
if (ctxt->incTab != NULL)
|
|
xmlFree(ctxt->incTab);
|
|
if (ctxt->txtTab != NULL) {
|
|
for (i = 0;i < ctxt->txtNr;i++) {
|
|
xmlFree(ctxt->txtTab[i].text);
|
|
xmlFree(ctxt->txtTab[i].url);
|
|
}
|
|
xmlFree(ctxt->txtTab);
|
|
}
|
|
if (ctxt->base != NULL) {
|
|
xmlFree(ctxt->base);
|
|
}
|
|
xmlFree(ctxt);
|
|
}
|
|
|
|
/**
|
|
* xmlXIncludeParseFile:
|
|
* @ctxt: the XInclude context
|
|
* @URL: the URL or file path
|
|
*
|
|
* parse a document for XInclude
|
|
*/
|
|
static xmlDocPtr
|
|
xmlXIncludeParseFile(xmlXIncludeCtxtPtr ctxt, const char *URL) {
|
|
xmlDocPtr ret;
|
|
xmlParserCtxtPtr pctxt;
|
|
xmlParserInputPtr inputStream;
|
|
|
|
xmlInitParser();
|
|
|
|
pctxt = xmlNewParserCtxt();
|
|
if (pctxt == NULL) {
|
|
xmlXIncludeErrMemory(ctxt, NULL, "cannot allocate parser context");
|
|
return(NULL);
|
|
}
|
|
|
|
/*
|
|
* pass in the application data to the parser context.
|
|
*/
|
|
pctxt->_private = ctxt->_private;
|
|
|
|
/*
|
|
* try to ensure that new documents included are actually
|
|
* built with the same dictionary as the including document.
|
|
*/
|
|
if ((ctxt->doc != NULL) && (ctxt->doc->dict != NULL)) {
|
|
if (pctxt->dict != NULL)
|
|
xmlDictFree(pctxt->dict);
|
|
pctxt->dict = ctxt->doc->dict;
|
|
xmlDictReference(pctxt->dict);
|
|
}
|
|
|
|
xmlCtxtUseOptions(pctxt, ctxt->parseFlags | XML_PARSE_DTDLOAD);
|
|
|
|
/* Don't read from stdin. */
|
|
if ((URL != NULL) && (strcmp(URL, "-") == 0))
|
|
URL = "./-";
|
|
|
|
inputStream = xmlLoadExternalEntity(URL, NULL, pctxt);
|
|
if (inputStream == NULL) {
|
|
xmlFreeParserCtxt(pctxt);
|
|
return(NULL);
|
|
}
|
|
|
|
inputPush(pctxt, inputStream);
|
|
|
|
if (pctxt->directory == NULL)
|
|
pctxt->directory = xmlParserGetDirectory(URL);
|
|
|
|
pctxt->loadsubset |= XML_DETECT_IDS;
|
|
|
|
xmlParseDocument(pctxt);
|
|
|
|
if (pctxt->wellFormed) {
|
|
ret = pctxt->myDoc;
|
|
}
|
|
else {
|
|
ret = NULL;
|
|
if (pctxt->myDoc != NULL)
|
|
xmlFreeDoc(pctxt->myDoc);
|
|
pctxt->myDoc = NULL;
|
|
}
|
|
xmlFreeParserCtxt(pctxt);
|
|
|
|
return(ret);
|
|
}
|
|
|
|
/**
|
|
* xmlXIncludeAddNode:
|
|
* @ctxt: the XInclude context
|
|
* @cur: the new node
|
|
*
|
|
* Add a new node to process to an XInclude context
|
|
*/
|
|
static xmlXIncludeRefPtr
|
|
xmlXIncludeAddNode(xmlXIncludeCtxtPtr ctxt, xmlNodePtr cur) {
|
|
xmlXIncludeRefPtr ref;
|
|
xmlURIPtr uri;
|
|
xmlChar *URL;
|
|
xmlChar *fragment = NULL;
|
|
xmlChar *href;
|
|
xmlChar *parse;
|
|
xmlChar *base;
|
|
xmlChar *URI;
|
|
int xml = 1;
|
|
int local = 0;
|
|
|
|
|
|
if (ctxt == NULL)
|
|
return(NULL);
|
|
if (cur == NULL)
|
|
return(NULL);
|
|
|
|
#ifdef DEBUG_XINCLUDE
|
|
xmlGenericError(xmlGenericErrorContext, "Add node\n");
|
|
#endif
|
|
/*
|
|
* read the attributes
|
|
*/
|
|
href = xmlXIncludeGetProp(ctxt, cur, XINCLUDE_HREF);
|
|
if (href == NULL) {
|
|
href = xmlStrdup(BAD_CAST ""); /* @@@@ href is now optional */
|
|
if (href == NULL)
|
|
return(NULL);
|
|
}
|
|
parse = xmlXIncludeGetProp(ctxt, cur, XINCLUDE_PARSE);
|
|
if (parse != NULL) {
|
|
if (xmlStrEqual(parse, XINCLUDE_PARSE_XML))
|
|
xml = 1;
|
|
else if (xmlStrEqual(parse, XINCLUDE_PARSE_TEXT))
|
|
xml = 0;
|
|
else {
|
|
xmlXIncludeErr(ctxt, cur, XML_XINCLUDE_PARSE_VALUE,
|
|
"invalid value %s for 'parse'\n", parse);
|
|
if (href != NULL)
|
|
xmlFree(href);
|
|
if (parse != NULL)
|
|
xmlFree(parse);
|
|
return(NULL);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* compute the URI
|
|
*/
|
|
base = xmlNodeGetBase(ctxt->doc, cur);
|
|
if (base == NULL) {
|
|
URI = xmlBuildURI(href, ctxt->doc->URL);
|
|
} else {
|
|
URI = xmlBuildURI(href, base);
|
|
}
|
|
if (URI == NULL) {
|
|
xmlChar *escbase;
|
|
xmlChar *eschref;
|
|
/*
|
|
* Some escaping may be needed
|
|
*/
|
|
escbase = xmlURIEscape(base);
|
|
eschref = xmlURIEscape(href);
|
|
URI = xmlBuildURI(eschref, escbase);
|
|
if (escbase != NULL)
|
|
xmlFree(escbase);
|
|
if (eschref != NULL)
|
|
xmlFree(eschref);
|
|
}
|
|
if (parse != NULL)
|
|
xmlFree(parse);
|
|
if (href != NULL)
|
|
xmlFree(href);
|
|
if (base != NULL)
|
|
xmlFree(base);
|
|
if (URI == NULL) {
|
|
xmlXIncludeErr(ctxt, cur, XML_XINCLUDE_HREF_URI,
|
|
"failed build URL\n", NULL);
|
|
return(NULL);
|
|
}
|
|
fragment = xmlXIncludeGetProp(ctxt, cur, XINCLUDE_PARSE_XPOINTER);
|
|
|
|
/*
|
|
* Check the URL and remove any fragment identifier
|
|
*/
|
|
uri = xmlParseURI((const char *)URI);
|
|
if (uri == NULL) {
|
|
xmlXIncludeErr(ctxt, cur, XML_XINCLUDE_HREF_URI,
|
|
"invalid value URI %s\n", URI);
|
|
if (fragment != NULL)
|
|
xmlFree(fragment);
|
|
xmlFree(URI);
|
|
return(NULL);
|
|
}
|
|
|
|
if (uri->fragment != NULL) {
|
|
if (ctxt->legacy != 0) {
|
|
if (fragment == NULL) {
|
|
fragment = (xmlChar *) uri->fragment;
|
|
} else {
|
|
xmlFree(uri->fragment);
|
|
}
|
|
} else {
|
|
xmlXIncludeErr(ctxt, cur, XML_XINCLUDE_FRAGMENT_ID,
|
|
"Invalid fragment identifier in URI %s use the xpointer attribute\n",
|
|
URI);
|
|
if (fragment != NULL)
|
|
xmlFree(fragment);
|
|
xmlFreeURI(uri);
|
|
xmlFree(URI);
|
|
return(NULL);
|
|
}
|
|
uri->fragment = NULL;
|
|
}
|
|
URL = xmlSaveUri(uri);
|
|
xmlFreeURI(uri);
|
|
if (URL == NULL) {
|
|
xmlXIncludeErr(ctxt, cur, XML_XINCLUDE_HREF_URI,
|
|
"invalid value URI %s\n", URI);
|
|
if (fragment != NULL)
|
|
xmlFree(fragment);
|
|
xmlFree(URI);
|
|
return(NULL);
|
|
}
|
|
xmlFree(URI);
|
|
|
|
if (xmlStrEqual(URL, ctxt->doc->URL))
|
|
local = 1;
|
|
|
|
/*
|
|
* If local and xml then we need a fragment
|
|
*/
|
|
if ((local == 1) && (xml == 1) &&
|
|
((fragment == NULL) || (fragment[0] == 0))) {
|
|
xmlXIncludeErr(ctxt, cur, XML_XINCLUDE_RECURSION,
|
|
"detected a local recursion with no xpointer in %s\n",
|
|
URL);
|
|
xmlFree(URL);
|
|
xmlFree(fragment);
|
|
return(NULL);
|
|
}
|
|
|
|
ref = xmlXIncludeNewRef(ctxt, URL, cur);
|
|
xmlFree(URL);
|
|
if (ref == NULL) {
|
|
xmlFree(fragment);
|
|
return(NULL);
|
|
}
|
|
ref->fragment = fragment;
|
|
ref->xml = xml;
|
|
return(ref);
|
|
}
|
|
|
|
/**
|
|
* xmlXIncludeRecurseDoc:
|
|
* @ctxt: the XInclude context
|
|
* @doc: the new document
|
|
* @url: the associated URL
|
|
*
|
|
* The XInclude recursive nature is handled at this point.
|
|
*/
|
|
static void
|
|
xmlXIncludeRecurseDoc(xmlXIncludeCtxtPtr ctxt, xmlDocPtr doc,
|
|
const xmlURL url ATTRIBUTE_UNUSED) {
|
|
xmlDocPtr oldDoc;
|
|
xmlXIncludeRefPtr *oldIncTab;
|
|
int oldIncMax, oldIncNr, oldIsStream;
|
|
int i;
|
|
|
|
oldDoc = ctxt->doc;
|
|
oldIncMax = ctxt->incMax;
|
|
oldIncNr = ctxt->incNr;
|
|
oldIncTab = ctxt->incTab;
|
|
oldIsStream = ctxt->isStream;
|
|
ctxt->doc = doc;
|
|
ctxt->incMax = 0;
|
|
ctxt->incNr = 0;
|
|
ctxt->incTab = NULL;
|
|
ctxt->isStream = 0;
|
|
|
|
xmlXIncludeDoProcess(ctxt, xmlDocGetRootElement(doc));
|
|
|
|
if (ctxt->incTab != NULL) {
|
|
for (i = 0; i < ctxt->incNr; i++)
|
|
xmlXIncludeFreeRef(ctxt->incTab[i]);
|
|
xmlFree(ctxt->incTab);
|
|
}
|
|
|
|
ctxt->doc = oldDoc;
|
|
ctxt->incMax = oldIncMax;
|
|
ctxt->incNr = oldIncNr;
|
|
ctxt->incTab = oldIncTab;
|
|
ctxt->isStream = oldIsStream;
|
|
}
|
|
|
|
/************************************************************************
|
|
* *
|
|
* Node copy with specific semantic *
|
|
* *
|
|
************************************************************************/
|
|
|
|
/**
|
|
* xmlXIncludeCopyNode:
|
|
* @ctxt: the XInclude context
|
|
* @elem: the element
|
|
* @copyChildren: copy children instead of node if true
|
|
*
|
|
* Make a copy of the node while expanding nested XIncludes.
|
|
*
|
|
* Returns a node list, not a single node.
|
|
*/
|
|
static xmlNodePtr
|
|
xmlXIncludeCopyNode(xmlXIncludeCtxtPtr ctxt, xmlNodePtr elem,
|
|
int copyChildren) {
|
|
xmlNodePtr result = NULL;
|
|
xmlNodePtr insertParent = NULL;
|
|
xmlNodePtr insertLast = NULL;
|
|
xmlNodePtr cur;
|
|
|
|
if (copyChildren) {
|
|
cur = elem->children;
|
|
if (cur == NULL)
|
|
return(NULL);
|
|
} else {
|
|
cur = elem;
|
|
}
|
|
|
|
while (1) {
|
|
xmlNodePtr copy = NULL;
|
|
int recurse = 0;
|
|
|
|
if ((cur->type == XML_DOCUMENT_NODE) ||
|
|
(cur->type == XML_DTD_NODE)) {
|
|
;
|
|
} else if ((cur->type == XML_ELEMENT_NODE) &&
|
|
(cur->ns != NULL) &&
|
|
(xmlStrEqual(cur->name, XINCLUDE_NODE)) &&
|
|
((xmlStrEqual(cur->ns->href, XINCLUDE_NS)) ||
|
|
(xmlStrEqual(cur->ns->href, XINCLUDE_OLD_NS)))) {
|
|
xmlXIncludeRefPtr ref = xmlXIncludeExpandNode(ctxt, cur);
|
|
|
|
if (ref == NULL)
|
|
goto error;
|
|
/*
|
|
* TODO: Insert XML_XINCLUDE_START and XML_XINCLUDE_END nodes
|
|
*/
|
|
if (ref->inc != NULL) {
|
|
copy = xmlStaticCopyNodeList(ref->inc, ctxt->doc,
|
|
insertParent);
|
|
if (copy == NULL)
|
|
goto error;
|
|
}
|
|
} else {
|
|
copy = xmlStaticCopyNode(cur, ctxt->doc, insertParent, 2);
|
|
if (copy == NULL)
|
|
goto error;
|
|
|
|
recurse = (cur->type != XML_ENTITY_REF_NODE) &&
|
|
(cur->children != NULL);
|
|
}
|
|
|
|
if (copy != NULL) {
|
|
if (result == NULL)
|
|
result = copy;
|
|
if (insertLast != NULL) {
|
|
insertLast->next = copy;
|
|
copy->prev = insertLast;
|
|
} else if (insertParent != NULL) {
|
|
insertParent->children = copy;
|
|
}
|
|
insertLast = copy;
|
|
while (insertLast->next != NULL) {
|
|
insertLast = insertLast->next;
|
|
}
|
|
}
|
|
|
|
if (recurse) {
|
|
cur = cur->children;
|
|
insertParent = insertLast;
|
|
insertLast = NULL;
|
|
continue;
|
|
}
|
|
|
|
if (cur == elem)
|
|
return(result);
|
|
|
|
while (cur->next == NULL) {
|
|
cur = cur->parent;
|
|
if (cur == elem)
|
|
return(result);
|
|
insertParent->last = insertLast;
|
|
insertLast = insertParent;
|
|
insertParent = insertParent->parent;
|
|
}
|
|
|
|
cur = cur->next;
|
|
}
|
|
|
|
error:
|
|
xmlFreeNodeList(result);
|
|
return(NULL);
|
|
}
|
|
|
|
#ifdef LIBXML_XPTR_LOCS_ENABLED
|
|
/**
|
|
* xmlXIncludeGetNthChild:
|
|
* @cur: the node
|
|
* @no: the child number
|
|
*
|
|
* Returns the @n'th element child of @cur or NULL
|
|
*/
|
|
static xmlNodePtr
|
|
xmlXIncludeGetNthChild(xmlNodePtr cur, int no) {
|
|
int i;
|
|
if ((cur == NULL) || (cur->type == XML_NAMESPACE_DECL))
|
|
return(NULL);
|
|
cur = cur->children;
|
|
for (i = 0;i <= no;cur = cur->next) {
|
|
if (cur == NULL)
|
|
return(cur);
|
|
if ((cur->type == XML_ELEMENT_NODE) ||
|
|
(cur->type == XML_DOCUMENT_NODE) ||
|
|
(cur->type == XML_HTML_DOCUMENT_NODE)) {
|
|
i++;
|
|
if (i == no)
|
|
break;
|
|
}
|
|
}
|
|
return(cur);
|
|
}
|
|
|
|
xmlNodePtr xmlXPtrAdvanceNode(xmlNodePtr cur, int *level); /* in xpointer.c */
|
|
/**
|
|
* xmlXIncludeCopyRange:
|
|
* @ctxt: the XInclude context
|
|
* @obj: the XPointer result from the evaluation.
|
|
*
|
|
* Build a node list tree copy of the XPointer result.
|
|
*
|
|
* Returns an xmlNodePtr list or NULL.
|
|
* The caller has to free the node tree.
|
|
*/
|
|
static xmlNodePtr
|
|
xmlXIncludeCopyRange(xmlXIncludeCtxtPtr ctxt, xmlXPathObjectPtr range) {
|
|
/* pointers to generated nodes */
|
|
xmlNodePtr list = NULL, last = NULL, listParent = NULL;
|
|
xmlNodePtr tmp, tmp2;
|
|
/* pointers to traversal nodes */
|
|
xmlNodePtr start, cur, end;
|
|
int index1, index2;
|
|
int level = 0, lastLevel = 0, endLevel = 0, endFlag = 0;
|
|
|
|
if ((ctxt == NULL) || (range == NULL))
|
|
return(NULL);
|
|
if (range->type != XPATH_RANGE)
|
|
return(NULL);
|
|
start = (xmlNodePtr) range->user;
|
|
|
|
if ((start == NULL) || (start->type == XML_NAMESPACE_DECL))
|
|
return(NULL);
|
|
end = range->user2;
|
|
if (end == NULL)
|
|
return(xmlDocCopyNode(start, ctxt->doc, 1));
|
|
if (end->type == XML_NAMESPACE_DECL)
|
|
return(NULL);
|
|
|
|
cur = start;
|
|
index1 = range->index;
|
|
index2 = range->index2;
|
|
/*
|
|
* level is depth of the current node under consideration
|
|
* list is the pointer to the root of the output tree
|
|
* listParent is a pointer to the parent of output tree (within
|
|
the included file) in case we need to add another level
|
|
* last is a pointer to the last node added to the output tree
|
|
* lastLevel is the depth of last (relative to the root)
|
|
*/
|
|
while (cur != NULL) {
|
|
/*
|
|
* Check if our output tree needs a parent
|
|
*/
|
|
if (level < 0) {
|
|
while (level < 0) {
|
|
/* copy must include namespaces and properties */
|
|
tmp2 = xmlDocCopyNode(listParent, ctxt->doc, 2);
|
|
xmlAddChild(tmp2, list);
|
|
list = tmp2;
|
|
listParent = listParent->parent;
|
|
level++;
|
|
}
|
|
last = list;
|
|
lastLevel = 0;
|
|
}
|
|
/*
|
|
* Check whether we need to change our insertion point
|
|
*/
|
|
while (level < lastLevel) {
|
|
last = last->parent;
|
|
lastLevel --;
|
|
}
|
|
if (cur == end) { /* Are we at the end of the range? */
|
|
if (cur->type == XML_TEXT_NODE) {
|
|
const xmlChar *content = cur->content;
|
|
int len;
|
|
|
|
if (content == NULL) {
|
|
tmp = xmlNewDocTextLen(ctxt->doc, NULL, 0);
|
|
} else {
|
|
len = index2;
|
|
if ((cur == start) && (index1 > 1)) {
|
|
content += (index1 - 1);
|
|
len -= (index1 - 1);
|
|
} else {
|
|
len = index2;
|
|
}
|
|
tmp = xmlNewDocTextLen(ctxt->doc, content, len);
|
|
}
|
|
/* single sub text node selection */
|
|
if (list == NULL)
|
|
return(tmp);
|
|
/* prune and return full set */
|
|
if (level == lastLevel)
|
|
xmlAddNextSibling(last, tmp);
|
|
else
|
|
xmlAddChild(last, tmp);
|
|
return(list);
|
|
} else { /* ending node not a text node */
|
|
endLevel = level; /* remember the level of the end node */
|
|
endFlag = 1;
|
|
/* last node - need to take care of properties + namespaces */
|
|
tmp = xmlDocCopyNode(cur, ctxt->doc, 2);
|
|
if (list == NULL) {
|
|
list = tmp;
|
|
listParent = cur->parent;
|
|
last = tmp;
|
|
} else {
|
|
if (level == lastLevel)
|
|
last = xmlAddNextSibling(last, tmp);
|
|
else {
|
|
last = xmlAddChild(last, tmp);
|
|
lastLevel = level;
|
|
}
|
|
}
|
|
|
|
if (index2 > 1) {
|
|
end = xmlXIncludeGetNthChild(cur, index2 - 1);
|
|
index2 = 0;
|
|
}
|
|
if ((cur == start) && (index1 > 1)) {
|
|
cur = xmlXIncludeGetNthChild(cur, index1 - 1);
|
|
index1 = 0;
|
|
} else {
|
|
cur = cur->children;
|
|
}
|
|
level++; /* increment level to show change */
|
|
/*
|
|
* Now gather the remaining nodes from cur to end
|
|
*/
|
|
continue; /* while */
|
|
}
|
|
} else if (cur == start) { /* Not at the end, are we at start? */
|
|
if ((cur->type == XML_TEXT_NODE) ||
|
|
(cur->type == XML_CDATA_SECTION_NODE)) {
|
|
const xmlChar *content = cur->content;
|
|
|
|
if (content == NULL) {
|
|
tmp = xmlNewDocTextLen(ctxt->doc, NULL, 0);
|
|
} else {
|
|
if (index1 > 1) {
|
|
content += (index1 - 1);
|
|
index1 = 0;
|
|
}
|
|
tmp = xmlNewDocText(ctxt->doc, content);
|
|
}
|
|
last = list = tmp;
|
|
listParent = cur->parent;
|
|
} else { /* Not text node */
|
|
/*
|
|
* start of the range - need to take care of
|
|
* properties and namespaces
|
|
*/
|
|
tmp = xmlDocCopyNode(cur, ctxt->doc, 2);
|
|
list = last = tmp;
|
|
listParent = cur->parent;
|
|
if (index1 > 1) { /* Do we need to position? */
|
|
cur = xmlXIncludeGetNthChild(cur, index1 - 1);
|
|
level = lastLevel = 1;
|
|
index1 = 0;
|
|
/*
|
|
* Now gather the remaining nodes from cur to end
|
|
*/
|
|
continue; /* while */
|
|
}
|
|
}
|
|
} else {
|
|
tmp = NULL;
|
|
switch (cur->type) {
|
|
case XML_DTD_NODE:
|
|
case XML_ELEMENT_DECL:
|
|
case XML_ATTRIBUTE_DECL:
|
|
case XML_ENTITY_NODE:
|
|
/* Do not copy DTD information */
|
|
break;
|
|
case XML_ENTITY_DECL:
|
|
/* handle crossing entities -> stack needed */
|
|
break;
|
|
case XML_XINCLUDE_START:
|
|
case XML_XINCLUDE_END:
|
|
/* don't consider it part of the tree content */
|
|
break;
|
|
case XML_ATTRIBUTE_NODE:
|
|
/* Humm, should not happen ! */
|
|
break;
|
|
default:
|
|
/*
|
|
* Middle of the range - need to take care of
|
|
* properties and namespaces
|
|
*/
|
|
tmp = xmlDocCopyNode(cur, ctxt->doc, 2);
|
|
break;
|
|
}
|
|
if (tmp != NULL) {
|
|
if (level == lastLevel)
|
|
last = xmlAddNextSibling(last, tmp);
|
|
else {
|
|
last = xmlAddChild(last, tmp);
|
|
lastLevel = level;
|
|
}
|
|
}
|
|
}
|
|
/*
|
|
* Skip to next node in document order
|
|
*/
|
|
cur = xmlXPtrAdvanceNode(cur, &level);
|
|
if (endFlag && (level >= endLevel))
|
|
break;
|
|
}
|
|
return(list);
|
|
}
|
|
#endif /* LIBXML_XPTR_LOCS_ENABLED */
|
|
|
|
/**
|
|
* xmlXIncludeCopyXPointer:
|
|
* @ctxt: the XInclude context
|
|
* @obj: the XPointer result from the evaluation.
|
|
*
|
|
* Build a node list tree copy of the XPointer result.
|
|
* This will drop Attributes and Namespace declarations.
|
|
*
|
|
* Returns an xmlNodePtr list or NULL.
|
|
* the caller has to free the node tree.
|
|
*/
|
|
static xmlNodePtr
|
|
xmlXIncludeCopyXPointer(xmlXIncludeCtxtPtr ctxt, xmlXPathObjectPtr obj) {
|
|
xmlNodePtr list = NULL, last = NULL, copy;
|
|
int i;
|
|
|
|
if ((ctxt == NULL) || (obj == NULL))
|
|
return(NULL);
|
|
switch (obj->type) {
|
|
case XPATH_NODESET: {
|
|
xmlNodeSetPtr set = obj->nodesetval;
|
|
if (set == NULL)
|
|
return(NULL);
|
|
for (i = 0;i < set->nodeNr;i++) {
|
|
xmlNodePtr node;
|
|
|
|
if (set->nodeTab[i] == NULL)
|
|
continue;
|
|
switch (set->nodeTab[i]->type) {
|
|
case XML_DOCUMENT_NODE:
|
|
case XML_HTML_DOCUMENT_NODE:
|
|
node = xmlDocGetRootElement(
|
|
(xmlDocPtr) set->nodeTab[i]);
|
|
if (node == NULL) {
|
|
xmlXIncludeErr(ctxt, set->nodeTab[i],
|
|
XML_ERR_INTERNAL_ERROR,
|
|
"document without root\n", NULL);
|
|
continue;
|
|
}
|
|
break;
|
|
case XML_TEXT_NODE:
|
|
case XML_CDATA_SECTION_NODE:
|
|
case XML_ELEMENT_NODE:
|
|
case XML_PI_NODE:
|
|
case XML_COMMENT_NODE:
|
|
node = set->nodeTab[i];
|
|
break;
|
|
default:
|
|
xmlXIncludeErr(ctxt, set->nodeTab[i],
|
|
XML_XINCLUDE_XPTR_RESULT,
|
|
"invalid node type in XPtr result\n",
|
|
NULL);
|
|
continue; /* for */
|
|
}
|
|
/*
|
|
* OPTIMIZE TODO: External documents should already be
|
|
* expanded, so xmlDocCopyNode should work as well.
|
|
* xmlXIncludeCopyNode is only required for the initial
|
|
* document.
|
|
*/
|
|
copy = xmlXIncludeCopyNode(ctxt, node, 0);
|
|
if (copy == NULL) {
|
|
xmlFreeNodeList(list);
|
|
return(NULL);
|
|
}
|
|
if (last == NULL) {
|
|
list = copy;
|
|
} else {
|
|
while (last->next != NULL)
|
|
last = last->next;
|
|
copy->prev = last;
|
|
last->next = copy;
|
|
}
|
|
last = copy;
|
|
}
|
|
break;
|
|
}
|
|
#ifdef LIBXML_XPTR_LOCS_ENABLED
|
|
case XPATH_LOCATIONSET: {
|
|
xmlLocationSetPtr set = (xmlLocationSetPtr) obj->user;
|
|
if (set == NULL)
|
|
return(NULL);
|
|
for (i = 0;i < set->locNr;i++) {
|
|
if (last == NULL)
|
|
list = last = xmlXIncludeCopyXPointer(ctxt,
|
|
set->locTab[i]);
|
|
else
|
|
xmlAddNextSibling(last,
|
|
xmlXIncludeCopyXPointer(ctxt, set->locTab[i]));
|
|
if (last != NULL) {
|
|
while (last->next != NULL)
|
|
last = last->next;
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
case XPATH_RANGE:
|
|
return(xmlXIncludeCopyRange(ctxt, obj));
|
|
case XPATH_POINT:
|
|
/* points are ignored in XInclude */
|
|
break;
|
|
#endif
|
|
default:
|
|
break;
|
|
}
|
|
return(list);
|
|
}
|
|
/************************************************************************
|
|
* *
|
|
* XInclude I/O handling *
|
|
* *
|
|
************************************************************************/
|
|
|
|
typedef struct _xmlXIncludeMergeData xmlXIncludeMergeData;
|
|
typedef xmlXIncludeMergeData *xmlXIncludeMergeDataPtr;
|
|
struct _xmlXIncludeMergeData {
|
|
xmlDocPtr doc;
|
|
xmlXIncludeCtxtPtr ctxt;
|
|
};
|
|
|
|
/**
|
|
* xmlXIncludeMergeOneEntity:
|
|
* @ent: the entity
|
|
* @doc: the including doc
|
|
* @name: the entity name
|
|
*
|
|
* Implements the merge of one entity
|
|
*/
|
|
static void
|
|
xmlXIncludeMergeEntity(void *payload, void *vdata,
|
|
const xmlChar *name ATTRIBUTE_UNUSED) {
|
|
xmlEntityPtr ent = (xmlEntityPtr) payload;
|
|
xmlXIncludeMergeDataPtr data = (xmlXIncludeMergeDataPtr) vdata;
|
|
xmlEntityPtr ret, prev;
|
|
xmlDocPtr doc;
|
|
xmlXIncludeCtxtPtr ctxt;
|
|
|
|
if ((ent == NULL) || (data == NULL))
|
|
return;
|
|
ctxt = data->ctxt;
|
|
doc = data->doc;
|
|
if ((ctxt == NULL) || (doc == NULL))
|
|
return;
|
|
switch (ent->etype) {
|
|
case XML_INTERNAL_PARAMETER_ENTITY:
|
|
case XML_EXTERNAL_PARAMETER_ENTITY:
|
|
case XML_INTERNAL_PREDEFINED_ENTITY:
|
|
return;
|
|
case XML_INTERNAL_GENERAL_ENTITY:
|
|
case XML_EXTERNAL_GENERAL_PARSED_ENTITY:
|
|
case XML_EXTERNAL_GENERAL_UNPARSED_ENTITY:
|
|
break;
|
|
}
|
|
ret = xmlAddDocEntity(doc, ent->name, ent->etype, ent->ExternalID,
|
|
ent->SystemID, ent->content);
|
|
if (ret != NULL) {
|
|
if (ent->URI != NULL)
|
|
ret->URI = xmlStrdup(ent->URI);
|
|
} else {
|
|
prev = xmlGetDocEntity(doc, ent->name);
|
|
if (prev != NULL) {
|
|
if (ent->etype != prev->etype)
|
|
goto error;
|
|
|
|
if ((ent->SystemID != NULL) && (prev->SystemID != NULL)) {
|
|
if (!xmlStrEqual(ent->SystemID, prev->SystemID))
|
|
goto error;
|
|
} else if ((ent->ExternalID != NULL) &&
|
|
(prev->ExternalID != NULL)) {
|
|
if (!xmlStrEqual(ent->ExternalID, prev->ExternalID))
|
|
goto error;
|
|
} else if ((ent->content != NULL) && (prev->content != NULL)) {
|
|
if (!xmlStrEqual(ent->content, prev->content))
|
|
goto error;
|
|
} else {
|
|
goto error;
|
|
}
|
|
|
|
}
|
|
}
|
|
return;
|
|
error:
|
|
switch (ent->etype) {
|
|
case XML_INTERNAL_PARAMETER_ENTITY:
|
|
case XML_EXTERNAL_PARAMETER_ENTITY:
|
|
case XML_INTERNAL_PREDEFINED_ENTITY:
|
|
case XML_INTERNAL_GENERAL_ENTITY:
|
|
case XML_EXTERNAL_GENERAL_PARSED_ENTITY:
|
|
return;
|
|
case XML_EXTERNAL_GENERAL_UNPARSED_ENTITY:
|
|
break;
|
|
}
|
|
xmlXIncludeErr(ctxt, (xmlNodePtr) ent, XML_XINCLUDE_ENTITY_DEF_MISMATCH,
|
|
"mismatch in redefinition of entity %s\n",
|
|
ent->name);
|
|
}
|
|
|
|
/**
|
|
* xmlXIncludeMergeEntities:
|
|
* @ctxt: an XInclude context
|
|
* @doc: the including doc
|
|
* @from: the included doc
|
|
*
|
|
* Implements the entity merge
|
|
*
|
|
* Returns 0 if merge succeeded, -1 if some processing failed
|
|
*/
|
|
static int
|
|
xmlXIncludeMergeEntities(xmlXIncludeCtxtPtr ctxt, xmlDocPtr doc,
|
|
xmlDocPtr from) {
|
|
xmlNodePtr cur;
|
|
xmlDtdPtr target, source;
|
|
|
|
if (ctxt == NULL)
|
|
return(-1);
|
|
|
|
if ((from == NULL) || (from->intSubset == NULL))
|
|
return(0);
|
|
|
|
target = doc->intSubset;
|
|
if (target == NULL) {
|
|
cur = xmlDocGetRootElement(doc);
|
|
if (cur == NULL)
|
|
return(-1);
|
|
target = xmlCreateIntSubset(doc, cur->name, NULL, NULL);
|
|
if (target == NULL)
|
|
return(-1);
|
|
}
|
|
|
|
source = from->intSubset;
|
|
if ((source != NULL) && (source->entities != NULL)) {
|
|
xmlXIncludeMergeData data;
|
|
|
|
data.ctxt = ctxt;
|
|
data.doc = doc;
|
|
|
|
xmlHashScan((xmlHashTablePtr) source->entities,
|
|
xmlXIncludeMergeEntity, &data);
|
|
}
|
|
source = from->extSubset;
|
|
if ((source != NULL) && (source->entities != NULL)) {
|
|
xmlXIncludeMergeData data;
|
|
|
|
data.ctxt = ctxt;
|
|
data.doc = doc;
|
|
|
|
/*
|
|
* don't duplicate existing stuff when external subsets are the same
|
|
*/
|
|
if ((!xmlStrEqual(target->ExternalID, source->ExternalID)) &&
|
|
(!xmlStrEqual(target->SystemID, source->SystemID))) {
|
|
xmlHashScan((xmlHashTablePtr) source->entities,
|
|
xmlXIncludeMergeEntity, &data);
|
|
}
|
|
}
|
|
return(0);
|
|
}
|
|
|
|
/**
|
|
* xmlXIncludeLoadDoc:
|
|
* @ctxt: the XInclude context
|
|
* @url: the associated URL
|
|
* @ref: an XMLXincludeRefPtr
|
|
*
|
|
* Load the document, and store the result in the XInclude context
|
|
*
|
|
* Returns 0 in case of success, -1 in case of failure
|
|
*/
|
|
static int
|
|
xmlXIncludeLoadDoc(xmlXIncludeCtxtPtr ctxt, const xmlChar *url,
|
|
xmlXIncludeRefPtr ref) {
|
|
xmlXIncludeDocPtr cache;
|
|
xmlDocPtr doc;
|
|
xmlURIPtr uri;
|
|
xmlChar *URL = NULL;
|
|
xmlChar *fragment = NULL;
|
|
int i = 0;
|
|
int ret = -1;
|
|
int cacheNr;
|
|
#ifdef LIBXML_XPTR_ENABLED
|
|
int saveFlags;
|
|
#endif
|
|
|
|
#ifdef DEBUG_XINCLUDE
|
|
xmlGenericError(xmlGenericErrorContext, "Loading doc %s\n", url);
|
|
#endif
|
|
/*
|
|
* Check the URL and remove any fragment identifier
|
|
*/
|
|
uri = xmlParseURI((const char *)url);
|
|
if (uri == NULL) {
|
|
xmlXIncludeErr(ctxt, ref->elem, XML_XINCLUDE_HREF_URI,
|
|
"invalid value URI %s\n", url);
|
|
goto error;
|
|
}
|
|
if (uri->fragment != NULL) {
|
|
fragment = (xmlChar *) uri->fragment;
|
|
uri->fragment = NULL;
|
|
}
|
|
if (ref->fragment != NULL) {
|
|
if (fragment != NULL) xmlFree(fragment);
|
|
fragment = xmlStrdup(ref->fragment);
|
|
}
|
|
URL = xmlSaveUri(uri);
|
|
xmlFreeURI(uri);
|
|
if (URL == NULL) {
|
|
xmlXIncludeErr(ctxt, ref->elem, XML_XINCLUDE_HREF_URI,
|
|
"invalid value URI %s\n", url);
|
|
goto error;
|
|
}
|
|
|
|
/*
|
|
* Handling of references to the local document are done
|
|
* directly through ctxt->doc.
|
|
*/
|
|
if ((URL[0] == 0) || (URL[0] == '#') ||
|
|
((ctxt->doc != NULL) && (xmlStrEqual(URL, ctxt->doc->URL)))) {
|
|
doc = ctxt->doc;
|
|
goto loaded;
|
|
}
|
|
|
|
/*
|
|
* Prevent reloading the document twice.
|
|
*/
|
|
for (i = 0; i < ctxt->urlNr; i++) {
|
|
if (xmlStrEqual(URL, ctxt->urlTab[i].url)) {
|
|
#ifdef DEBUG_XINCLUDE
|
|
printf("Already loaded %s\n", URL);
|
|
#endif
|
|
if (ctxt->urlTab[i].expanding) {
|
|
xmlXIncludeErr(ctxt, ref->elem, XML_XINCLUDE_RECURSION,
|
|
"inclusion loop detected\n", NULL);
|
|
goto error;
|
|
}
|
|
doc = ctxt->urlTab[i].doc;
|
|
if (doc == NULL)
|
|
goto error;
|
|
goto loaded;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Load it.
|
|
*/
|
|
#ifdef DEBUG_XINCLUDE
|
|
printf("loading %s\n", URL);
|
|
#endif
|
|
#ifdef LIBXML_XPTR_ENABLED
|
|
/*
|
|
* If this is an XPointer evaluation, we want to assure that
|
|
* all entities have been resolved prior to processing the
|
|
* referenced document
|
|
*/
|
|
saveFlags = ctxt->parseFlags;
|
|
if (fragment != NULL) { /* if this is an XPointer eval */
|
|
ctxt->parseFlags |= XML_PARSE_NOENT;
|
|
}
|
|
#endif
|
|
|
|
doc = xmlXIncludeParseFile(ctxt, (const char *)URL);
|
|
#ifdef LIBXML_XPTR_ENABLED
|
|
ctxt->parseFlags = saveFlags;
|
|
#endif
|
|
|
|
/* Also cache NULL docs */
|
|
if (ctxt->urlNr >= ctxt->urlMax) {
|
|
xmlXIncludeDoc *tmp;
|
|
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
|
|
size_t newSize = ctxt->urlMax ? ctxt->urlMax * 2 : 1;
|
|
#else
|
|
size_t newSize = ctxt->urlMax ? ctxt->urlMax * 2 : 8;
|
|
#endif
|
|
|
|
tmp = xmlRealloc(ctxt->urlTab, sizeof(xmlXIncludeDoc) * newSize);
|
|
if (tmp == NULL) {
|
|
xmlXIncludeErrMemory(ctxt, ref->elem,
|
|
"growing XInclude URL table");
|
|
xmlFreeDoc(doc);
|
|
goto error;
|
|
}
|
|
ctxt->urlMax = newSize;
|
|
ctxt->urlTab = tmp;
|
|
}
|
|
cacheNr = ctxt->urlNr++;
|
|
cache = &ctxt->urlTab[cacheNr];
|
|
cache->doc = doc;
|
|
cache->url = xmlStrdup(URL);
|
|
cache->expanding = 0;
|
|
|
|
if (doc == NULL)
|
|
goto error;
|
|
/*
|
|
* It's possible that the requested URL has been mapped to a
|
|
* completely different location (e.g. through a catalog entry).
|
|
* To check for this, we compare the URL with that of the doc
|
|
* and change it if they disagree (bug 146988).
|
|
*/
|
|
if (!xmlStrEqual(URL, doc->URL)) {
|
|
xmlFree(URL);
|
|
URL = xmlStrdup(doc->URL);
|
|
}
|
|
|
|
/*
|
|
* Make sure we have all entities fixed up
|
|
*/
|
|
xmlXIncludeMergeEntities(ctxt, ctxt->doc, doc);
|
|
|
|
/*
|
|
* We don't need the DTD anymore, free up space
|
|
if (doc->intSubset != NULL) {
|
|
xmlUnlinkNode((xmlNodePtr) doc->intSubset);
|
|
xmlFreeNode((xmlNodePtr) doc->intSubset);
|
|
doc->intSubset = NULL;
|
|
}
|
|
if (doc->extSubset != NULL) {
|
|
xmlUnlinkNode((xmlNodePtr) doc->extSubset);
|
|
xmlFreeNode((xmlNodePtr) doc->extSubset);
|
|
doc->extSubset = NULL;
|
|
}
|
|
*/
|
|
cache->expanding = 1;
|
|
xmlXIncludeRecurseDoc(ctxt, doc, URL);
|
|
/* urlTab might be reallocated. */
|
|
cache = &ctxt->urlTab[cacheNr];
|
|
cache->expanding = 0;
|
|
|
|
loaded:
|
|
if (fragment == NULL) {
|
|
/*
|
|
* Add the top children list as the replacement copy.
|
|
*/
|
|
ref->inc = xmlDocCopyNode(xmlDocGetRootElement(doc), ctxt->doc, 1);
|
|
}
|
|
#ifdef LIBXML_XPTR_ENABLED
|
|
else {
|
|
/*
|
|
* Computes the XPointer expression and make a copy used
|
|
* as the replacement copy.
|
|
*/
|
|
xmlXPathObjectPtr xptr;
|
|
xmlXPathContextPtr xptrctxt;
|
|
xmlNodeSetPtr set;
|
|
|
|
if (ctxt->isStream && doc == ctxt->doc) {
|
|
xmlXIncludeErr(ctxt, ref->elem, XML_XINCLUDE_XPTR_FAILED,
|
|
"XPointer expressions not allowed in streaming"
|
|
" mode\n", NULL);
|
|
goto error;
|
|
}
|
|
|
|
xptrctxt = xmlXPtrNewContext(doc, NULL, NULL);
|
|
if (xptrctxt == NULL) {
|
|
xmlXIncludeErr(ctxt, ref->elem, XML_XINCLUDE_XPTR_FAILED,
|
|
"could not create XPointer context\n", NULL);
|
|
goto error;
|
|
}
|
|
xptr = xmlXPtrEval(fragment, xptrctxt);
|
|
if (xptr == NULL) {
|
|
xmlXIncludeErr(ctxt, ref->elem, XML_XINCLUDE_XPTR_FAILED,
|
|
"XPointer evaluation failed: #%s\n",
|
|
fragment);
|
|
xmlXPathFreeContext(xptrctxt);
|
|
goto error;
|
|
}
|
|
switch (xptr->type) {
|
|
case XPATH_UNDEFINED:
|
|
case XPATH_BOOLEAN:
|
|
case XPATH_NUMBER:
|
|
case XPATH_STRING:
|
|
#ifdef LIBXML_XPTR_LOCS_ENABLED
|
|
case XPATH_POINT:
|
|
#endif
|
|
case XPATH_USERS:
|
|
case XPATH_XSLT_TREE:
|
|
xmlXIncludeErr(ctxt, ref->elem, XML_XINCLUDE_XPTR_RESULT,
|
|
"XPointer is not a range: #%s\n",
|
|
fragment);
|
|
xmlXPathFreeObject(xptr);
|
|
xmlXPathFreeContext(xptrctxt);
|
|
goto error;
|
|
case XPATH_NODESET:
|
|
if ((xptr->nodesetval == NULL) ||
|
|
(xptr->nodesetval->nodeNr <= 0)) {
|
|
xmlXPathFreeObject(xptr);
|
|
xmlXPathFreeContext(xptrctxt);
|
|
goto error;
|
|
}
|
|
|
|
#ifdef LIBXML_XPTR_LOCS_ENABLED
|
|
case XPATH_RANGE:
|
|
case XPATH_LOCATIONSET:
|
|
break;
|
|
#endif
|
|
}
|
|
set = xptr->nodesetval;
|
|
if (set != NULL) {
|
|
for (i = 0;i < set->nodeNr;i++) {
|
|
if (set->nodeTab[i] == NULL)
|
|
continue;
|
|
switch (set->nodeTab[i]->type) {
|
|
case XML_ELEMENT_NODE:
|
|
case XML_TEXT_NODE:
|
|
case XML_CDATA_SECTION_NODE:
|
|
case XML_ENTITY_REF_NODE:
|
|
case XML_ENTITY_NODE:
|
|
case XML_PI_NODE:
|
|
case XML_COMMENT_NODE:
|
|
case XML_DOCUMENT_NODE:
|
|
case XML_HTML_DOCUMENT_NODE:
|
|
continue;
|
|
|
|
case XML_ATTRIBUTE_NODE:
|
|
xmlXIncludeErr(ctxt, ref->elem,
|
|
XML_XINCLUDE_XPTR_RESULT,
|
|
"XPointer selects an attribute: #%s\n",
|
|
fragment);
|
|
set->nodeTab[i] = NULL;
|
|
continue;
|
|
case XML_NAMESPACE_DECL:
|
|
xmlXIncludeErr(ctxt, ref->elem,
|
|
XML_XINCLUDE_XPTR_RESULT,
|
|
"XPointer selects a namespace: #%s\n",
|
|
fragment);
|
|
set->nodeTab[i] = NULL;
|
|
continue;
|
|
case XML_DOCUMENT_TYPE_NODE:
|
|
case XML_DOCUMENT_FRAG_NODE:
|
|
case XML_NOTATION_NODE:
|
|
case XML_DTD_NODE:
|
|
case XML_ELEMENT_DECL:
|
|
case XML_ATTRIBUTE_DECL:
|
|
case XML_ENTITY_DECL:
|
|
case XML_XINCLUDE_START:
|
|
case XML_XINCLUDE_END:
|
|
xmlXIncludeErr(ctxt, ref->elem,
|
|
XML_XINCLUDE_XPTR_RESULT,
|
|
"XPointer selects unexpected nodes: #%s\n",
|
|
fragment);
|
|
set->nodeTab[i] = NULL;
|
|
set->nodeTab[i] = NULL;
|
|
continue; /* for */
|
|
}
|
|
}
|
|
}
|
|
ref->inc = xmlXIncludeCopyXPointer(ctxt, xptr);
|
|
xmlXPathFreeObject(xptr);
|
|
xmlXPathFreeContext(xptrctxt);
|
|
}
|
|
#endif
|
|
|
|
/*
|
|
* Do the xml:base fixup if needed
|
|
*/
|
|
if ((doc != NULL) && (URL != NULL) &&
|
|
(!(ctxt->parseFlags & XML_PARSE_NOBASEFIX)) &&
|
|
(!(doc->parseFlags & XML_PARSE_NOBASEFIX))) {
|
|
xmlNodePtr node;
|
|
xmlChar *base;
|
|
xmlChar *curBase;
|
|
|
|
/*
|
|
* The base is only adjusted if "necessary", i.e. if the xinclude node
|
|
* has a base specified, or the URL is relative
|
|
*/
|
|
base = xmlGetNsProp(ref->elem, BAD_CAST "base", XML_XML_NAMESPACE);
|
|
if (base == NULL) {
|
|
/*
|
|
* No xml:base on the xinclude node, so we check whether the
|
|
* URI base is different than (relative to) the context base
|
|
*/
|
|
curBase = xmlBuildRelativeURI(URL, ctxt->base);
|
|
if (curBase == NULL) { /* Error return */
|
|
xmlXIncludeErr(ctxt, ref->elem, XML_XINCLUDE_HREF_URI,
|
|
"trying to build relative URI from %s\n", URL);
|
|
} else {
|
|
/* If the URI doesn't contain a slash, it's not relative */
|
|
if (!xmlStrchr(curBase, '/'))
|
|
xmlFree(curBase);
|
|
else
|
|
base = curBase;
|
|
}
|
|
}
|
|
if (base != NULL) { /* Adjustment may be needed */
|
|
node = ref->inc;
|
|
while (node != NULL) {
|
|
/* Only work on element nodes */
|
|
if (node->type == XML_ELEMENT_NODE) {
|
|
curBase = xmlNodeGetBase(node->doc, node);
|
|
/* If no current base, set it */
|
|
if (curBase == NULL) {
|
|
xmlNodeSetBase(node, base);
|
|
} else {
|
|
/*
|
|
* If the current base is the same as the
|
|
* URL of the document, then reset it to be
|
|
* the specified xml:base or the relative URI
|
|
*/
|
|
if (xmlStrEqual(curBase, node->doc->URL)) {
|
|
xmlNodeSetBase(node, base);
|
|
} else {
|
|
/*
|
|
* If the element already has an xml:base
|
|
* set, then relativise it if necessary
|
|
*/
|
|
xmlChar *xmlBase;
|
|
xmlBase = xmlGetNsProp(node,
|
|
BAD_CAST "base",
|
|
XML_XML_NAMESPACE);
|
|
if (xmlBase != NULL) {
|
|
xmlChar *relBase;
|
|
relBase = xmlBuildURI(xmlBase, base);
|
|
if (relBase == NULL) { /* error */
|
|
xmlXIncludeErr(ctxt,
|
|
ref->elem,
|
|
XML_XINCLUDE_HREF_URI,
|
|
"trying to rebuild base from %s\n",
|
|
xmlBase);
|
|
} else {
|
|
xmlNodeSetBase(node, relBase);
|
|
xmlFree(relBase);
|
|
}
|
|
xmlFree(xmlBase);
|
|
}
|
|
}
|
|
xmlFree(curBase);
|
|
}
|
|
}
|
|
node = node->next;
|
|
}
|
|
xmlFree(base);
|
|
}
|
|
}
|
|
ret = 0;
|
|
|
|
error:
|
|
xmlFree(URL);
|
|
xmlFree(fragment);
|
|
return(ret);
|
|
}
|
|
|
|
/**
|
|
* xmlXIncludeLoadTxt:
|
|
* @ctxt: the XInclude context
|
|
* @url: the associated URL
|
|
* @ref: an XMLXincludeRefPtr
|
|
*
|
|
* Load the content, and store the result in the XInclude context
|
|
*
|
|
* Returns 0 in case of success, -1 in case of failure
|
|
*/
|
|
static int
|
|
xmlXIncludeLoadTxt(xmlXIncludeCtxtPtr ctxt, const xmlChar *url,
|
|
xmlXIncludeRefPtr ref) {
|
|
xmlParserInputBufferPtr buf;
|
|
xmlNodePtr node = NULL;
|
|
xmlURIPtr uri = NULL;
|
|
xmlChar *URL = NULL;
|
|
int i;
|
|
int ret = -1;
|
|
xmlChar *encoding = NULL;
|
|
xmlCharEncoding enc = (xmlCharEncoding) 0;
|
|
xmlParserCtxtPtr pctxt = NULL;
|
|
xmlParserInputPtr inputStream = NULL;
|
|
int len;
|
|
const xmlChar *content;
|
|
|
|
|
|
/* Don't read from stdin. */
|
|
if (xmlStrcmp(url, BAD_CAST "-") == 0)
|
|
url = BAD_CAST "./-";
|
|
|
|
/*
|
|
* Check the URL and remove any fragment identifier
|
|
*/
|
|
uri = xmlParseURI((const char *)url);
|
|
if (uri == NULL) {
|
|
xmlXIncludeErr(ctxt, ref->elem, XML_XINCLUDE_HREF_URI,
|
|
"invalid value URI %s\n", url);
|
|
goto error;
|
|
}
|
|
if (uri->fragment != NULL) {
|
|
xmlXIncludeErr(ctxt, ref->elem, XML_XINCLUDE_TEXT_FRAGMENT,
|
|
"fragment identifier forbidden for text: %s\n",
|
|
(const xmlChar *) uri->fragment);
|
|
goto error;
|
|
}
|
|
URL = xmlSaveUri(uri);
|
|
if (URL == NULL) {
|
|
xmlXIncludeErr(ctxt, ref->elem, XML_XINCLUDE_HREF_URI,
|
|
"invalid value URI %s\n", url);
|
|
goto error;
|
|
}
|
|
|
|
/*
|
|
* Handling of references to the local document are done
|
|
* directly through ctxt->doc.
|
|
*/
|
|
if (URL[0] == 0) {
|
|
xmlXIncludeErr(ctxt, ref->elem, XML_XINCLUDE_TEXT_DOCUMENT,
|
|
"text serialization of document not available\n", NULL);
|
|
goto error;
|
|
}
|
|
|
|
/*
|
|
* Prevent reloading the document twice.
|
|
*/
|
|
for (i = 0; i < ctxt->txtNr; i++) {
|
|
if (xmlStrEqual(URL, ctxt->txtTab[i].url)) {
|
|
node = xmlNewDocText(ctxt->doc, ctxt->txtTab[i].text);
|
|
goto loaded;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Try to get the encoding if available
|
|
*/
|
|
if (ref->elem != NULL) {
|
|
encoding = xmlGetProp(ref->elem, XINCLUDE_PARSE_ENCODING);
|
|
}
|
|
if (encoding != NULL) {
|
|
/*
|
|
* TODO: we should not have to remap to the xmlCharEncoding
|
|
* predefined set, a better interface than
|
|
* xmlParserInputBufferCreateFilename should allow any
|
|
* encoding supported by iconv
|
|
*/
|
|
enc = xmlParseCharEncoding((const char *) encoding);
|
|
if (enc == XML_CHAR_ENCODING_ERROR) {
|
|
xmlXIncludeErr(ctxt, ref->elem, XML_XINCLUDE_UNKNOWN_ENCODING,
|
|
"encoding %s not supported\n", encoding);
|
|
goto error;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Load it.
|
|
*/
|
|
pctxt = xmlNewParserCtxt();
|
|
inputStream = xmlLoadExternalEntity((const char*)URL, NULL, pctxt);
|
|
if(inputStream == NULL)
|
|
goto error;
|
|
buf = inputStream->buf;
|
|
if (buf == NULL)
|
|
goto error;
|
|
if (buf->encoder)
|
|
xmlCharEncCloseFunc(buf->encoder);
|
|
buf->encoder = xmlGetCharEncodingHandler(enc);
|
|
node = xmlNewDocText(ctxt->doc, NULL);
|
|
if (node == NULL) {
|
|
xmlXIncludeErrMemory(ctxt, ref->elem, NULL);
|
|
goto error;
|
|
}
|
|
|
|
/*
|
|
* Scan all chars from the resource and add the to the node
|
|
*/
|
|
while (xmlParserInputBufferRead(buf, 4096) > 0)
|
|
;
|
|
|
|
content = xmlBufContent(buf->buffer);
|
|
len = xmlBufLength(buf->buffer);
|
|
for (i = 0; i < len;) {
|
|
int cur;
|
|
int l;
|
|
|
|
cur = xmlStringCurrentChar(NULL, &content[i], &l);
|
|
if (!IS_CHAR(cur)) {
|
|
xmlXIncludeErr(ctxt, ref->elem, XML_XINCLUDE_INVALID_CHAR,
|
|
"%s contains invalid char\n", URL);
|
|
goto error;
|
|
}
|
|
|
|
i += l;
|
|
}
|
|
|
|
xmlNodeAddContentLen(node, content, len);
|
|
|
|
if (ctxt->txtNr >= ctxt->txtMax) {
|
|
xmlXIncludeTxt *tmp;
|
|
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
|
|
size_t newSize = ctxt->txtMax ? ctxt->txtMax * 2 : 1;
|
|
#else
|
|
size_t newSize = ctxt->txtMax ? ctxt->txtMax * 2 : 8;
|
|
#endif
|
|
|
|
tmp = xmlRealloc(ctxt->txtTab, sizeof(xmlXIncludeTxt) * newSize);
|
|
if (tmp == NULL) {
|
|
xmlXIncludeErrMemory(ctxt, ref->elem,
|
|
"growing XInclude text table");
|
|
goto error;
|
|
}
|
|
ctxt->txtMax = newSize;
|
|
ctxt->txtTab = tmp;
|
|
}
|
|
ctxt->txtTab[ctxt->txtNr].text = xmlStrdup(node->content);
|
|
ctxt->txtTab[ctxt->txtNr].url = xmlStrdup(URL);
|
|
ctxt->txtNr++;
|
|
|
|
loaded:
|
|
/*
|
|
* Add the element as the replacement copy.
|
|
*/
|
|
ref->inc = node;
|
|
node = NULL;
|
|
ret = 0;
|
|
|
|
error:
|
|
xmlFreeNode(node);
|
|
xmlFreeInputStream(inputStream);
|
|
xmlFreeParserCtxt(pctxt);
|
|
xmlFree(encoding);
|
|
xmlFreeURI(uri);
|
|
xmlFree(URL);
|
|
return(ret);
|
|
}
|
|
|
|
/**
|
|
* xmlXIncludeLoadFallback:
|
|
* @ctxt: the XInclude context
|
|
* @fallback: the fallback node
|
|
* @ref: an XMLXincludeRefPtr
|
|
*
|
|
* Load the content of the fallback node, and store the result
|
|
* in the XInclude context
|
|
*
|
|
* Returns 0 in case of success, -1 in case of failure
|
|
*/
|
|
static int
|
|
xmlXIncludeLoadFallback(xmlXIncludeCtxtPtr ctxt, xmlNodePtr fallback,
|
|
xmlXIncludeRefPtr ref) {
|
|
int ret = 0;
|
|
int oldNbErrors;
|
|
|
|
if ((fallback == NULL) || (fallback->type == XML_NAMESPACE_DECL) ||
|
|
(ctxt == NULL))
|
|
return(-1);
|
|
if (fallback->children != NULL) {
|
|
/*
|
|
* It's possible that the fallback also has 'includes'
|
|
* (Bug 129969), so we re-process the fallback just in case
|
|
*/
|
|
oldNbErrors = ctxt->nbErrors;
|
|
ref->inc = xmlXIncludeCopyNode(ctxt, fallback, 1);
|
|
if (ctxt->nbErrors > oldNbErrors)
|
|
ret = -1;
|
|
else if (ref->inc == NULL)
|
|
ref->emptyFb = 1;
|
|
} else {
|
|
ref->inc = NULL;
|
|
ref->emptyFb = 1; /* flag empty callback */
|
|
}
|
|
ref->fallback = 1;
|
|
return(ret);
|
|
}
|
|
|
|
/************************************************************************
|
|
* *
|
|
* XInclude Processing *
|
|
* *
|
|
************************************************************************/
|
|
|
|
/**
|
|
* xmlXIncludeExpandNode:
|
|
* @ctxt: an XInclude context
|
|
* @node: an XInclude node
|
|
*
|
|
* If the XInclude node wasn't processed yet, create a new RefPtr,
|
|
* add it to ctxt->incTab and load the included items.
|
|
*
|
|
* Returns the new or existing xmlXIncludeRefPtr, or NULL in case of error.
|
|
*/
|
|
static xmlXIncludeRefPtr
|
|
xmlXIncludeExpandNode(xmlXIncludeCtxtPtr ctxt, xmlNodePtr node) {
|
|
xmlXIncludeRefPtr ref;
|
|
int i;
|
|
|
|
if (ctxt->fatalErr)
|
|
return(NULL);
|
|
if (ctxt->depth >= XINCLUDE_MAX_DEPTH) {
|
|
xmlXIncludeErr(ctxt, node, XML_XINCLUDE_RECURSION,
|
|
"maximum recursion depth exceeded\n", NULL);
|
|
ctxt->fatalErr = 1;
|
|
return(NULL);
|
|
}
|
|
|
|
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
|
|
/*
|
|
* The XInclude engine offers no protection against exponential
|
|
* expansion attacks similar to "billion laughs". Avoid timeouts by
|
|
* limiting the total number of replacements when fuzzing.
|
|
*/
|
|
if (ctxt->incTotal >= 20)
|
|
return(NULL);
|
|
ctxt->incTotal++;
|
|
#endif
|
|
|
|
for (i = 0; i < ctxt->incNr; i++) {
|
|
if (ctxt->incTab[i]->elem == node) {
|
|
if (ctxt->incTab[i]->expanding) {
|
|
xmlXIncludeErr(ctxt, node, XML_XINCLUDE_RECURSION,
|
|
"inclusion loop detected\n", NULL);
|
|
return(NULL);
|
|
}
|
|
return(ctxt->incTab[i]);
|
|
}
|
|
}
|
|
|
|
ref = xmlXIncludeAddNode(ctxt, node);
|
|
if (ref == NULL)
|
|
return(NULL);
|
|
ref->expanding = 1;
|
|
ctxt->depth++;
|
|
xmlXIncludeLoadNode(ctxt, ref);
|
|
ctxt->depth--;
|
|
ref->expanding = 0;
|
|
|
|
return(ref);
|
|
}
|
|
|
|
/**
|
|
* xmlXIncludeLoadNode:
|
|
* @ctxt: an XInclude context
|
|
* @ref: an xmlXIncludeRefPtr
|
|
*
|
|
* Find and load the infoset replacement for the given node.
|
|
*
|
|
* Returns 0 if substitution succeeded, -1 if some processing failed
|
|
*/
|
|
static int
|
|
xmlXIncludeLoadNode(xmlXIncludeCtxtPtr ctxt, xmlXIncludeRefPtr ref) {
|
|
xmlNodePtr cur;
|
|
xmlChar *href;
|
|
xmlChar *parse;
|
|
xmlChar *base;
|
|
xmlChar *oldBase;
|
|
xmlChar *URI;
|
|
int xml = 1; /* default Issue 64 */
|
|
int ret;
|
|
|
|
if ((ctxt == NULL) || (ref == NULL))
|
|
return(-1);
|
|
cur = ref->elem;
|
|
if (cur == NULL)
|
|
return(-1);
|
|
|
|
/*
|
|
* read the attributes
|
|
*/
|
|
href = xmlXIncludeGetProp(ctxt, cur, XINCLUDE_HREF);
|
|
if (href == NULL) {
|
|
href = xmlStrdup(BAD_CAST ""); /* @@@@ href is now optional */
|
|
if (href == NULL)
|
|
return(-1);
|
|
}
|
|
parse = xmlXIncludeGetProp(ctxt, cur, XINCLUDE_PARSE);
|
|
if (parse != NULL) {
|
|
if (xmlStrEqual(parse, XINCLUDE_PARSE_XML))
|
|
xml = 1;
|
|
else if (xmlStrEqual(parse, XINCLUDE_PARSE_TEXT))
|
|
xml = 0;
|
|
else {
|
|
xmlXIncludeErr(ctxt, cur, XML_XINCLUDE_PARSE_VALUE,
|
|
"invalid value %s for 'parse'\n", parse);
|
|
if (href != NULL)
|
|
xmlFree(href);
|
|
if (parse != NULL)
|
|
xmlFree(parse);
|
|
return(-1);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* compute the URI
|
|
*/
|
|
base = xmlNodeGetBase(ctxt->doc, cur);
|
|
if (base == NULL) {
|
|
URI = xmlBuildURI(href, ctxt->doc->URL);
|
|
} else {
|
|
URI = xmlBuildURI(href, base);
|
|
}
|
|
if (URI == NULL) {
|
|
xmlChar *escbase;
|
|
xmlChar *eschref;
|
|
/*
|
|
* Some escaping may be needed
|
|
*/
|
|
escbase = xmlURIEscape(base);
|
|
eschref = xmlURIEscape(href);
|
|
URI = xmlBuildURI(eschref, escbase);
|
|
if (escbase != NULL)
|
|
xmlFree(escbase);
|
|
if (eschref != NULL)
|
|
xmlFree(eschref);
|
|
}
|
|
if (URI == NULL) {
|
|
xmlXIncludeErr(ctxt, cur, XML_XINCLUDE_HREF_URI,
|
|
"failed build URL\n", NULL);
|
|
if (parse != NULL)
|
|
xmlFree(parse);
|
|
if (href != NULL)
|
|
xmlFree(href);
|
|
if (base != NULL)
|
|
xmlFree(base);
|
|
return(-1);
|
|
}
|
|
#ifdef DEBUG_XINCLUDE
|
|
xmlGenericError(xmlGenericErrorContext, "parse: %s\n",
|
|
xml ? "xml": "text");
|
|
xmlGenericError(xmlGenericErrorContext, "URI: %s\n", URI);
|
|
#endif
|
|
|
|
/*
|
|
* Save the base for this include (saving the current one)
|
|
*/
|
|
oldBase = ctxt->base;
|
|
ctxt->base = base;
|
|
|
|
if (xml) {
|
|
ret = xmlXIncludeLoadDoc(ctxt, URI, ref);
|
|
/* xmlXIncludeGetFragment(ctxt, cur, URI); */
|
|
} else {
|
|
ret = xmlXIncludeLoadTxt(ctxt, URI, ref);
|
|
}
|
|
|
|
/*
|
|
* Restore the original base before checking for fallback
|
|
*/
|
|
ctxt->base = oldBase;
|
|
|
|
if (ret < 0) {
|
|
xmlNodePtr children;
|
|
|
|
/*
|
|
* Time to try a fallback if available
|
|
*/
|
|
#ifdef DEBUG_XINCLUDE
|
|
xmlGenericError(xmlGenericErrorContext, "error looking for fallback\n");
|
|
#endif
|
|
children = cur->children;
|
|
while (children != NULL) {
|
|
if ((children->type == XML_ELEMENT_NODE) &&
|
|
(children->ns != NULL) &&
|
|
(xmlStrEqual(children->name, XINCLUDE_FALLBACK)) &&
|
|
((xmlStrEqual(children->ns->href, XINCLUDE_NS)) ||
|
|
(xmlStrEqual(children->ns->href, XINCLUDE_OLD_NS)))) {
|
|
ret = xmlXIncludeLoadFallback(ctxt, children, ref);
|
|
break;
|
|
}
|
|
children = children->next;
|
|
}
|
|
}
|
|
if (ret < 0) {
|
|
xmlXIncludeErr(ctxt, cur, XML_XINCLUDE_NO_FALLBACK,
|
|
"could not load %s, and no fallback was found\n",
|
|
URI);
|
|
}
|
|
|
|
/*
|
|
* Cleanup
|
|
*/
|
|
if (URI != NULL)
|
|
xmlFree(URI);
|
|
if (parse != NULL)
|
|
xmlFree(parse);
|
|
if (href != NULL)
|
|
xmlFree(href);
|
|
if (base != NULL)
|
|
xmlFree(base);
|
|
return(0);
|
|
}
|
|
|
|
/**
|
|
* xmlXIncludeIncludeNode:
|
|
* @ctxt: an XInclude context
|
|
* @ref: an xmlXIncludeRefPtr
|
|
*
|
|
* Implement the infoset replacement for the given node
|
|
*
|
|
* Returns 0 if substitution succeeded, -1 if some processing failed
|
|
*/
|
|
static int
|
|
xmlXIncludeIncludeNode(xmlXIncludeCtxtPtr ctxt, xmlXIncludeRefPtr ref) {
|
|
xmlNodePtr cur, end, list, tmp;
|
|
|
|
if ((ctxt == NULL) || (ref == NULL))
|
|
return(-1);
|
|
cur = ref->elem;
|
|
if ((cur == NULL) || (cur->type == XML_NAMESPACE_DECL))
|
|
return(-1);
|
|
|
|
list = ref->inc;
|
|
ref->inc = NULL;
|
|
ref->emptyFb = 0;
|
|
|
|
/*
|
|
* Check against the risk of generating a multi-rooted document
|
|
*/
|
|
if ((cur->parent != NULL) &&
|
|
(cur->parent->type != XML_ELEMENT_NODE)) {
|
|
int nb_elem = 0;
|
|
|
|
tmp = list;
|
|
while (tmp != NULL) {
|
|
if (tmp->type == XML_ELEMENT_NODE)
|
|
nb_elem++;
|
|
tmp = tmp->next;
|
|
}
|
|
if (nb_elem > 1) {
|
|
xmlXIncludeErr(ctxt, ref->elem, XML_XINCLUDE_MULTIPLE_ROOT,
|
|
"XInclude error: would result in multiple root nodes\n",
|
|
NULL);
|
|
xmlFreeNodeList(list);
|
|
return(-1);
|
|
}
|
|
}
|
|
|
|
if (ctxt->parseFlags & XML_PARSE_NOXINCNODE) {
|
|
/*
|
|
* Add the list of nodes
|
|
*/
|
|
while (list != NULL) {
|
|
end = list;
|
|
list = list->next;
|
|
|
|
xmlAddPrevSibling(cur, end);
|
|
}
|
|
/*
|
|
* FIXME: xmlUnlinkNode doesn't coalesce text nodes.
|
|
*/
|
|
xmlUnlinkNode(cur);
|
|
xmlFreeNode(cur);
|
|
} else {
|
|
xmlNodePtr child, next;
|
|
|
|
/*
|
|
* Change the current node as an XInclude start one, and add an
|
|
* XInclude end one
|
|
*/
|
|
if (ref->fallback)
|
|
xmlUnsetProp(cur, BAD_CAST "href");
|
|
cur->type = XML_XINCLUDE_START;
|
|
/* Remove fallback children */
|
|
for (child = cur->children; child != NULL; child = next) {
|
|
next = child->next;
|
|
xmlUnlinkNode(child);
|
|
xmlFreeNode(child);
|
|
}
|
|
end = xmlNewDocNode(cur->doc, cur->ns, cur->name, NULL);
|
|
if (end == NULL) {
|
|
xmlXIncludeErr(ctxt, ref->elem, XML_XINCLUDE_BUILD_FAILED,
|
|
"failed to build node\n", NULL);
|
|
xmlFreeNodeList(list);
|
|
return(-1);
|
|
}
|
|
end->type = XML_XINCLUDE_END;
|
|
xmlAddNextSibling(cur, end);
|
|
|
|
/*
|
|
* Add the list of nodes
|
|
*/
|
|
while (list != NULL) {
|
|
cur = list;
|
|
list = list->next;
|
|
|
|
xmlAddPrevSibling(end, cur);
|
|
}
|
|
}
|
|
|
|
|
|
return(0);
|
|
}
|
|
|
|
/**
|
|
* xmlXIncludeTestNode:
|
|
* @ctxt: the XInclude processing context
|
|
* @node: an XInclude node
|
|
*
|
|
* test if the node is an XInclude node
|
|
*
|
|
* Returns 1 true, 0 otherwise
|
|
*/
|
|
static int
|
|
xmlXIncludeTestNode(xmlXIncludeCtxtPtr ctxt, xmlNodePtr node) {
|
|
if (node == NULL)
|
|
return(0);
|
|
if (node->type != XML_ELEMENT_NODE)
|
|
return(0);
|
|
if (node->ns == NULL)
|
|
return(0);
|
|
if ((xmlStrEqual(node->ns->href, XINCLUDE_NS)) ||
|
|
(xmlStrEqual(node->ns->href, XINCLUDE_OLD_NS))) {
|
|
if (xmlStrEqual(node->ns->href, XINCLUDE_OLD_NS)) {
|
|
if (ctxt->legacy == 0) {
|
|
#if 0 /* wait for the XML Core Working Group to get something stable ! */
|
|
xmlXIncludeWarn(ctxt, node, XML_XINCLUDE_DEPRECATED_NS,
|
|
"Deprecated XInclude namespace found, use %s",
|
|
XINCLUDE_NS);
|
|
#endif
|
|
ctxt->legacy = 1;
|
|
}
|
|
}
|
|
if (xmlStrEqual(node->name, XINCLUDE_NODE)) {
|
|
xmlNodePtr child = node->children;
|
|
int nb_fallback = 0;
|
|
|
|
while (child != NULL) {
|
|
if ((child->type == XML_ELEMENT_NODE) &&
|
|
(child->ns != NULL) &&
|
|
((xmlStrEqual(child->ns->href, XINCLUDE_NS)) ||
|
|
(xmlStrEqual(child->ns->href, XINCLUDE_OLD_NS)))) {
|
|
if (xmlStrEqual(child->name, XINCLUDE_NODE)) {
|
|
xmlXIncludeErr(ctxt, node,
|
|
XML_XINCLUDE_INCLUDE_IN_INCLUDE,
|
|
"%s has an 'include' child\n",
|
|
XINCLUDE_NODE);
|
|
return(0);
|
|
}
|
|
if (xmlStrEqual(child->name, XINCLUDE_FALLBACK)) {
|
|
nb_fallback++;
|
|
}
|
|
}
|
|
child = child->next;
|
|
}
|
|
if (nb_fallback > 1) {
|
|
xmlXIncludeErr(ctxt, node, XML_XINCLUDE_FALLBACKS_IN_INCLUDE,
|
|
"%s has multiple fallback children\n",
|
|
XINCLUDE_NODE);
|
|
return(0);
|
|
}
|
|
return(1);
|
|
}
|
|
if (xmlStrEqual(node->name, XINCLUDE_FALLBACK)) {
|
|
if ((node->parent == NULL) ||
|
|
(node->parent->type != XML_ELEMENT_NODE) ||
|
|
(node->parent->ns == NULL) ||
|
|
((!xmlStrEqual(node->parent->ns->href, XINCLUDE_NS)) &&
|
|
(!xmlStrEqual(node->parent->ns->href, XINCLUDE_OLD_NS))) ||
|
|
(!xmlStrEqual(node->parent->name, XINCLUDE_NODE))) {
|
|
xmlXIncludeErr(ctxt, node,
|
|
XML_XINCLUDE_FALLBACK_NOT_IN_INCLUDE,
|
|
"%s is not the child of an 'include'\n",
|
|
XINCLUDE_FALLBACK);
|
|
}
|
|
}
|
|
}
|
|
return(0);
|
|
}
|
|
|
|
/**
|
|
* xmlXIncludeDoProcess:
|
|
* @ctxt: the XInclude processing context
|
|
* @tree: the top of the tree to process
|
|
*
|
|
* Implement the XInclude substitution on the XML document @doc
|
|
*
|
|
* Returns 0 if no substitution were done, -1 if some processing failed
|
|
* or the number of substitutions done.
|
|
*/
|
|
static int
|
|
xmlXIncludeDoProcess(xmlXIncludeCtxtPtr ctxt, xmlNodePtr tree) {
|
|
xmlXIncludeRefPtr ref;
|
|
xmlNodePtr cur;
|
|
int ret = 0;
|
|
int i, start;
|
|
|
|
if ((tree == NULL) || (tree->type == XML_NAMESPACE_DECL))
|
|
return(-1);
|
|
if (ctxt == NULL)
|
|
return(-1);
|
|
|
|
/*
|
|
* First phase: lookup the elements in the document
|
|
*/
|
|
start = ctxt->incNr;
|
|
cur = tree;
|
|
do {
|
|
/* TODO: need to work on entities -> stack */
|
|
if (xmlXIncludeTestNode(ctxt, cur) == 1) {
|
|
ref = xmlXIncludeExpandNode(ctxt, cur);
|
|
/*
|
|
* Mark direct includes.
|
|
*/
|
|
if (ref != NULL)
|
|
ref->replace = 1;
|
|
} else if ((cur->children != NULL) &&
|
|
((cur->type == XML_DOCUMENT_NODE) ||
|
|
(cur->type == XML_ELEMENT_NODE))) {
|
|
cur = cur->children;
|
|
continue;
|
|
}
|
|
do {
|
|
if (cur == tree)
|
|
break;
|
|
if (cur->next != NULL) {
|
|
cur = cur->next;
|
|
break;
|
|
}
|
|
cur = cur->parent;
|
|
} while (cur != NULL);
|
|
} while ((cur != NULL) && (cur != tree));
|
|
|
|
/*
|
|
* Second phase: extend the original document infoset.
|
|
*/
|
|
for (i = start; i < ctxt->incNr; i++) {
|
|
if (ctxt->incTab[i]->replace != 0) {
|
|
if ((ctxt->incTab[i]->inc != NULL) ||
|
|
(ctxt->incTab[i]->emptyFb != 0)) { /* (empty fallback) */
|
|
xmlXIncludeIncludeNode(ctxt, ctxt->incTab[i]);
|
|
}
|
|
ctxt->incTab[i]->replace = 0;
|
|
} else {
|
|
/*
|
|
* Ignore includes which were added indirectly, for example
|
|
* inside xi:fallback elements.
|
|
*/
|
|
if (ctxt->incTab[i]->inc != NULL) {
|
|
xmlFreeNodeList(ctxt->incTab[i]->inc);
|
|
ctxt->incTab[i]->inc = NULL;
|
|
}
|
|
}
|
|
ret++;
|
|
}
|
|
|
|
if (ctxt->isStream) {
|
|
/*
|
|
* incTab references nodes which will eventually be deleted in
|
|
* streaming mode. The table is only required for XPointer
|
|
* expressions which aren't allowed in streaming mode.
|
|
*/
|
|
for (i = 0;i < ctxt->incNr;i++) {
|
|
xmlXIncludeFreeRef(ctxt->incTab[i]);
|
|
}
|
|
ctxt->incNr = 0;
|
|
}
|
|
|
|
return(ret);
|
|
}
|
|
|
|
/**
|
|
* xmlXIncludeSetFlags:
|
|
* @ctxt: an XInclude processing context
|
|
* @flags: a set of xmlParserOption used for parsing XML includes
|
|
*
|
|
* Set the flags used for further processing of XML resources.
|
|
*
|
|
* Returns 0 in case of success and -1 in case of error.
|
|
*/
|
|
int
|
|
xmlXIncludeSetFlags(xmlXIncludeCtxtPtr ctxt, int flags) {
|
|
if (ctxt == NULL)
|
|
return(-1);
|
|
ctxt->parseFlags = flags;
|
|
return(0);
|
|
}
|
|
|
|
/**
|
|
* xmlXIncludeSetStreamingMode:
|
|
* @ctxt: an XInclude processing context
|
|
* @mode: whether streaming mode should be enabled
|
|
*
|
|
* In streaming mode, XPointer expressions aren't allowed.
|
|
*
|
|
* Returns 0 in case of success and -1 in case of error.
|
|
*/
|
|
int
|
|
xmlXIncludeSetStreamingMode(xmlXIncludeCtxtPtr ctxt, int mode) {
|
|
if (ctxt == NULL)
|
|
return(-1);
|
|
ctxt->isStream = !!mode;
|
|
return(0);
|
|
}
|
|
|
|
/**
|
|
* xmlXIncludeProcessTreeFlagsData:
|
|
* @tree: an XML node
|
|
* @flags: a set of xmlParserOption used for parsing XML includes
|
|
* @data: application data that will be passed to the parser context
|
|
* in the _private field of the parser context(s)
|
|
*
|
|
* Implement the XInclude substitution on the XML node @tree
|
|
*
|
|
* Returns 0 if no substitution were done, -1 if some processing failed
|
|
* or the number of substitutions done.
|
|
*/
|
|
|
|
int
|
|
xmlXIncludeProcessTreeFlagsData(xmlNodePtr tree, int flags, void *data) {
|
|
xmlXIncludeCtxtPtr ctxt;
|
|
int ret = 0;
|
|
|
|
if ((tree == NULL) || (tree->type == XML_NAMESPACE_DECL) ||
|
|
(tree->doc == NULL))
|
|
return(-1);
|
|
|
|
ctxt = xmlXIncludeNewContext(tree->doc);
|
|
if (ctxt == NULL)
|
|
return(-1);
|
|
ctxt->_private = data;
|
|
ctxt->base = xmlStrdup((xmlChar *)tree->doc->URL);
|
|
xmlXIncludeSetFlags(ctxt, flags);
|
|
ret = xmlXIncludeDoProcess(ctxt, tree);
|
|
if ((ret >= 0) && (ctxt->nbErrors > 0))
|
|
ret = -1;
|
|
|
|
xmlXIncludeFreeContext(ctxt);
|
|
return(ret);
|
|
}
|
|
|
|
/**
|
|
* xmlXIncludeProcessFlagsData:
|
|
* @doc: an XML document
|
|
* @flags: a set of xmlParserOption used for parsing XML includes
|
|
* @data: application data that will be passed to the parser context
|
|
* in the _private field of the parser context(s)
|
|
*
|
|
* Implement the XInclude substitution on the XML document @doc
|
|
*
|
|
* Returns 0 if no substitution were done, -1 if some processing failed
|
|
* or the number of substitutions done.
|
|
*/
|
|
int
|
|
xmlXIncludeProcessFlagsData(xmlDocPtr doc, int flags, void *data) {
|
|
xmlNodePtr tree;
|
|
|
|
if (doc == NULL)
|
|
return(-1);
|
|
tree = xmlDocGetRootElement(doc);
|
|
if (tree == NULL)
|
|
return(-1);
|
|
return(xmlXIncludeProcessTreeFlagsData(tree, flags, data));
|
|
}
|
|
|
|
/**
|
|
* xmlXIncludeProcessFlags:
|
|
* @doc: an XML document
|
|
* @flags: a set of xmlParserOption used for parsing XML includes
|
|
*
|
|
* Implement the XInclude substitution on the XML document @doc
|
|
*
|
|
* Returns 0 if no substitution were done, -1 if some processing failed
|
|
* or the number of substitutions done.
|
|
*/
|
|
int
|
|
xmlXIncludeProcessFlags(xmlDocPtr doc, int flags) {
|
|
return xmlXIncludeProcessFlagsData(doc, flags, NULL);
|
|
}
|
|
|
|
/**
|
|
* xmlXIncludeProcess:
|
|
* @doc: an XML document
|
|
*
|
|
* Implement the XInclude substitution on the XML document @doc
|
|
*
|
|
* Returns 0 if no substitution were done, -1 if some processing failed
|
|
* or the number of substitutions done.
|
|
*/
|
|
int
|
|
xmlXIncludeProcess(xmlDocPtr doc) {
|
|
return(xmlXIncludeProcessFlags(doc, 0));
|
|
}
|
|
|
|
/**
|
|
* xmlXIncludeProcessTreeFlags:
|
|
* @tree: a node in an XML document
|
|
* @flags: a set of xmlParserOption used for parsing XML includes
|
|
*
|
|
* Implement the XInclude substitution for the given subtree
|
|
*
|
|
* Returns 0 if no substitution were done, -1 if some processing failed
|
|
* or the number of substitutions done.
|
|
*/
|
|
int
|
|
xmlXIncludeProcessTreeFlags(xmlNodePtr tree, int flags) {
|
|
xmlXIncludeCtxtPtr ctxt;
|
|
int ret = 0;
|
|
|
|
if ((tree == NULL) || (tree->type == XML_NAMESPACE_DECL) ||
|
|
(tree->doc == NULL))
|
|
return(-1);
|
|
ctxt = xmlXIncludeNewContext(tree->doc);
|
|
if (ctxt == NULL)
|
|
return(-1);
|
|
ctxt->base = xmlNodeGetBase(tree->doc, tree);
|
|
xmlXIncludeSetFlags(ctxt, flags);
|
|
ret = xmlXIncludeDoProcess(ctxt, tree);
|
|
if ((ret >= 0) && (ctxt->nbErrors > 0))
|
|
ret = -1;
|
|
|
|
xmlXIncludeFreeContext(ctxt);
|
|
return(ret);
|
|
}
|
|
|
|
/**
|
|
* xmlXIncludeProcessTree:
|
|
* @tree: a node in an XML document
|
|
*
|
|
* Implement the XInclude substitution for the given subtree
|
|
*
|
|
* Returns 0 if no substitution were done, -1 if some processing failed
|
|
* or the number of substitutions done.
|
|
*/
|
|
int
|
|
xmlXIncludeProcessTree(xmlNodePtr tree) {
|
|
return(xmlXIncludeProcessTreeFlags(tree, 0));
|
|
}
|
|
|
|
/**
|
|
* xmlXIncludeProcessNode:
|
|
* @ctxt: an existing XInclude context
|
|
* @node: a node in an XML document
|
|
*
|
|
* Implement the XInclude substitution for the given subtree reusing
|
|
* the information and data coming from the given context.
|
|
*
|
|
* Returns 0 if no substitution were done, -1 if some processing failed
|
|
* or the number of substitutions done.
|
|
*/
|
|
int
|
|
xmlXIncludeProcessNode(xmlXIncludeCtxtPtr ctxt, xmlNodePtr node) {
|
|
int ret = 0;
|
|
|
|
if ((node == NULL) || (node->type == XML_NAMESPACE_DECL) ||
|
|
(node->doc == NULL) || (ctxt == NULL))
|
|
return(-1);
|
|
ret = xmlXIncludeDoProcess(ctxt, node);
|
|
if ((ret >= 0) && (ctxt->nbErrors > 0))
|
|
ret = -1;
|
|
return(ret);
|
|
}
|
|
|
|
#else /* !LIBXML_XINCLUDE_ENABLED */
|
|
#endif
|