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From 1564b30e994602a95863d9716be83612580a2fed Mon Sep 17 00:00:00 2001
From: Daniel Veillard <veillard@redhat.com>
Date: Thu, 9 Aug 2012 16:18:51 +0800
Subject: [PATCH] Hardening of code checking node types in various entry point
---
libxslt/attributes.c | 5 +++--
libxslt/preproc.c | 45 +++++++++++++++++++++++----------------------
libxslt/templates.c | 15 ++++++++++-----
libxslt/transform.c | 2 +-
libxslt/variables.c | 10 +++++-----
libxslt/xslt.c | 43 +++++++++++++++++++++++++------------------
libxslt/xsltutils.c | 27 +++++++++++++++++++--------
7 files changed, 86 insertions(+), 61 deletions(-)
diff --git a/libxslt/attributes.c b/libxslt/attributes.c
index ce47df7..11d558b 100644
--- a/libxslt/attributes.c
+++ b/libxslt/attributes.c
@@ -293,7 +293,7 @@ xsltParseStylesheetAttributeSet(xsltStylesheetPtr style, xmlNodePtr cur) {
xmlNodePtr child;
xsltAttrElemPtr attrItems;
- if ((cur == NULL) || (style == NULL))
+ if ((cur == NULL) || (style == NULL) || (cur->type != XML_ELEMENT_NODE))
return;
value = xmlGetNsProp(cur, (const xmlChar *)"name", NULL);
@@ -656,7 +656,8 @@ xsltAttributeInternal(xsltTransformContextPtr ctxt,
xmlNsPtr ns = NULL;
xmlAttrPtr attr;
- if ((ctxt == NULL) || (contextNode == NULL) || (inst == NULL))
+ if ((ctxt == NULL) || (contextNode == NULL) || (inst == NULL) ||
+ (inst->type != XML_ELEMENT_NODE) )
return;
/*
diff --git a/libxslt/preproc.c b/libxslt/preproc.c
index f5d265d..4d483ff 100644
--- a/libxslt/preproc.c
+++ b/libxslt/preproc.c
@@ -680,7 +680,7 @@ xsltSortComp(xsltStylesheetPtr style, xmlNodePtr inst) {
#else
xsltStylePreCompPtr comp;
#endif
- if ((style == NULL) || (inst == NULL))
+ if ((style == NULL) || (inst == NULL) || (inst->type != XML_ELEMENT_NODE))
return;
#ifdef XSLT_REFACTORED
@@ -788,7 +788,7 @@ xsltCopyComp(xsltStylesheetPtr style, xmlNodePtr inst) {
xsltStylePreCompPtr comp;
#endif
- if ((style == NULL) || (inst == NULL))
+ if ((style == NULL) || (inst == NULL) || (inst->type != XML_ELEMENT_NODE))
return;
#ifdef XSLT_REFACTORED
comp = (xsltStyleItemCopyPtr) xsltNewStylePreComp(style, XSLT_FUNC_COPY);
@@ -832,7 +832,7 @@ xsltTextComp(xsltStylesheetPtr style, xmlNodePtr inst) {
#endif
const xmlChar *prop;
- if ((style == NULL) || (inst == NULL))
+ if ((style == NULL) || (inst == NULL) || (inst->type != XML_ELEMENT_NODE))
return;
#ifdef XSLT_REFACTORED
@@ -885,7 +885,7 @@ xsltElementComp(xsltStylesheetPtr style, xmlNodePtr inst) {
* <!-- Content: template -->
* </xsl:element>
*/
- if ((style == NULL) || (inst == NULL))
+ if ((style == NULL) || (inst == NULL) || (inst->type != XML_ELEMENT_NODE))
return;
#ifdef XSLT_REFACTORED
@@ -1002,7 +1002,7 @@ xsltAttributeComp(xsltStylesheetPtr style, xmlNodePtr inst) {
* <!-- Content: template -->
* </xsl:attribute>
*/
- if ((style == NULL) || (inst == NULL))
+ if ((style == NULL) || (inst == NULL) || (inst->type != XML_ELEMENT_NODE))
return;
#ifdef XSLT_REFACTORED
@@ -1122,7 +1122,7 @@ xsltCommentComp(xsltStylesheetPtr style, xmlNodePtr inst) {
xsltStylePreCompPtr comp;
#endif
- if ((style == NULL) || (inst == NULL))
+ if ((style == NULL) || (inst == NULL) || (inst->type != XML_ELEMENT_NODE))
return;
#ifdef XSLT_REFACTORED
@@ -1152,7 +1152,7 @@ xsltProcessingInstructionComp(xsltStylesheetPtr style, xmlNodePtr inst) {
xsltStylePreCompPtr comp;
#endif
- if ((style == NULL) || (inst == NULL))
+ if ((style == NULL) || (inst == NULL) || (inst->type != XML_ELEMENT_NODE))
return;
#ifdef XSLT_REFACTORED
@@ -1186,7 +1186,7 @@ xsltCopyOfComp(xsltStylesheetPtr style, xmlNodePtr inst) {
xsltStylePreCompPtr comp;
#endif
- if ((style == NULL) || (inst == NULL))
+ if ((style == NULL) || (inst == NULL) || (inst->type != XML_ELEMENT_NODE))
return;
#ifdef XSLT_REFACTORED
@@ -1233,7 +1233,7 @@ xsltValueOfComp(xsltStylesheetPtr style, xmlNodePtr inst) {
#endif
const xmlChar *prop;
- if ((style == NULL) || (inst == NULL))
+ if ((style == NULL) || (inst == NULL) || (inst->type != XML_ELEMENT_NODE))
return;
#ifdef XSLT_REFACTORED
@@ -1358,7 +1358,7 @@ xsltWithParamComp(xsltStylesheetPtr style, xmlNodePtr inst) {
xsltStylePreCompPtr comp;
#endif
- if ((style == NULL) || (inst == NULL))
+ if ((style == NULL) || (inst == NULL) || (inst->type != XML_ELEMENT_NODE))
return;
#ifdef XSLT_REFACTORED
@@ -1417,7 +1417,7 @@ xsltNumberComp(xsltStylesheetPtr style, xmlNodePtr cur) {
#endif
const xmlChar *prop;
- if ((style == NULL) || (cur == NULL))
+ if ((style == NULL) || (cur == NULL) || (cur->type != XML_ELEMENT_NODE))
return;
#ifdef XSLT_REFACTORED
@@ -1543,7 +1543,7 @@ xsltApplyImportsComp(xsltStylesheetPtr style, xmlNodePtr inst) {
xsltStylePreCompPtr comp;
#endif
- if ((style == NULL) || (inst == NULL))
+ if ((style == NULL) || (inst == NULL) || (inst->type != XML_ELEMENT_NODE))
return;
#ifdef XSLT_REFACTORED
@@ -1573,7 +1573,7 @@ xsltCallTemplateComp(xsltStylesheetPtr style, xmlNodePtr inst) {
xsltStylePreCompPtr comp;
#endif
- if ((style == NULL) || (inst == NULL))
+ if ((style == NULL) || (inst == NULL) || (inst->type != XML_ELEMENT_NODE))
return;
#ifdef XSLT_REFACTORED
@@ -1612,7 +1612,7 @@ xsltApplyTemplatesComp(xsltStylesheetPtr style, xmlNodePtr inst) {
xsltStylePreCompPtr comp;
#endif
- if ((style == NULL) || (inst == NULL))
+ if ((style == NULL) || (inst == NULL) || (inst->type != XML_ELEMENT_NODE))
return;
#ifdef XSLT_REFACTORED
@@ -1664,7 +1664,7 @@ xsltChooseComp(xsltStylesheetPtr style, xmlNodePtr inst) {
xsltStylePreCompPtr comp;
#endif
- if ((style == NULL) || (inst == NULL))
+ if ((style == NULL) || (inst == NULL) || (inst->type != XML_ELEMENT_NODE))
return;
#ifdef XSLT_REFACTORED
@@ -1695,7 +1695,7 @@ xsltIfComp(xsltStylesheetPtr style, xmlNodePtr inst) {
xsltStylePreCompPtr comp;
#endif
- if ((style == NULL) || (inst == NULL))
+ if ((style == NULL) || (inst == NULL) || (inst->type != XML_ELEMENT_NODE))
return;
#ifdef XSLT_REFACTORED
@@ -1741,7 +1741,7 @@ xsltWhenComp(xsltStylesheetPtr style, xmlNodePtr inst) {
xsltStylePreCompPtr comp;
#endif
- if ((style == NULL) || (inst == NULL))
+ if ((style == NULL) || (inst == NULL) || (inst->type != XML_ELEMENT_NODE))
return;
#ifdef XSLT_REFACTORED
@@ -1787,7 +1787,7 @@ xsltForEachComp(xsltStylesheetPtr style, xmlNodePtr inst) {
xsltStylePreCompPtr comp;
#endif
- if ((style == NULL) || (inst == NULL))
+ if ((style == NULL) || (inst == NULL) || (inst->type != XML_ELEMENT_NODE))
return;
#ifdef XSLT_REFACTORED
@@ -1835,7 +1835,7 @@ xsltVariableComp(xsltStylesheetPtr style, xmlNodePtr inst) {
xsltStylePreCompPtr comp;
#endif
- if ((style == NULL) || (inst == NULL))
+ if ((style == NULL) || (inst == NULL) || (inst->type != XML_ELEMENT_NODE))
return;
#ifdef XSLT_REFACTORED
@@ -1914,7 +1914,7 @@ xsltParamComp(xsltStylesheetPtr style, xmlNodePtr inst) {
xsltStylePreCompPtr comp;
#endif
- if ((style == NULL) || (inst == NULL))
+ if ((style == NULL) || (inst == NULL) || (inst->type != XML_ELEMENT_NODE))
return;
#ifdef XSLT_REFACTORED
@@ -2006,7 +2006,7 @@ xsltStylePreCompute(xsltStylesheetPtr style, xmlNodePtr node) {
* the parsing mechanism for all elements in the XSLT namespace.
*/
if (style == NULL) {
- if (node != NULL)
+ if ((node != NULL) && (node->type == XML_ELEMENT_NODE))
node->psvi = NULL;
return;
}
@@ -2221,7 +2221,8 @@ xsltStylePreCompute(xsltStylesheetPtr style, xmlNodePtr inst) {
* namespace- and local-name of the node, but can evaluate this
* using cctxt->style->inode->category;
*/
- if (inst->psvi != NULL)
+ if ((inst == NULL) || (inst->type != XML_ELEMENT_NODE) ||
+ (inst->psvi != NULL))
return;
if (IS_XSLT_ELEM(inst)) {
diff --git a/libxslt/templates.c b/libxslt/templates.c
index 52bb3cf..169afd9 100644
--- a/libxslt/templates.c
+++ b/libxslt/templates.c
@@ -198,7 +198,8 @@ xsltEvalTemplateString(xsltTransformContextPtr ctxt,
xmlNodePtr oldInsert, insert = NULL;
xmlChar *ret;
- if ((ctxt == NULL) || (contextNode == NULL) || (inst == NULL))
+ if ((ctxt == NULL) || (contextNode == NULL) || (inst == NULL) ||
+ (inst->type != XML_ELEMENT_NODE))
return(NULL);
if (inst->children == NULL)
@@ -390,7 +391,8 @@ xsltEvalAttrValueTemplate(xsltTransformContextPtr ctxt, xmlNodePtr inst,
xmlChar *ret;
xmlChar *expr;
- if ((ctxt == NULL) || (inst == NULL) || (name == NULL))
+ if ((ctxt == NULL) || (inst == NULL) || (name == NULL) ||
+ (inst->type != XML_ELEMENT_NODE))
return(NULL);
expr = xsltGetNsProp(inst, name, ns);
@@ -434,7 +436,8 @@ xsltEvalStaticAttrValueTemplate(xsltStylesheetPtr style, xmlNodePtr inst,
const xmlChar *ret;
xmlChar *expr;
- if ((style == NULL) || (inst == NULL) || (name == NULL))
+ if ((style == NULL) || (inst == NULL) || (name == NULL) ||
+ (inst->type != XML_ELEMENT_NODE))
return(NULL);
expr = xsltGetNsProp(inst, name, ns);
@@ -475,7 +478,8 @@ xsltAttrTemplateProcess(xsltTransformContextPtr ctxt, xmlNodePtr target,
const xmlChar *value;
xmlAttrPtr ret;
- if ((ctxt == NULL) || (attr == NULL) || (target == NULL))
+ if ((ctxt == NULL) || (attr == NULL) || (target == NULL) ||
+ (target->type != XML_ELEMENT_NODE))
return(NULL);
if (attr->type != XML_ATTRIBUTE_NODE)
@@ -632,7 +636,8 @@ xsltAttrListTemplateProcess(xsltTransformContextPtr ctxt,
const xmlChar *value;
xmlChar *valueAVT;
- if ((ctxt == NULL) || (target == NULL) || (attrs == NULL))
+ if ((ctxt == NULL) || (target == NULL) || (attrs == NULL) ||
+ (target->type != XML_ELEMENT_NODE))
return(NULL);
oldInsert = ctxt->insert;
diff --git a/libxslt/transform.c b/libxslt/transform.c
index c6df19e..bc6d851 100644
--- a/libxslt/transform.c
+++ b/libxslt/transform.c
@@ -777,7 +777,7 @@ xsltCopyTextString(xsltTransformContextPtr ctxt, xmlNodePtr target,
#endif
/*
- * Play save and reset the merging mechanism for every new
+ * Play safe and reset the merging mechanism for every new
* target node.
*/
if ((target == NULL) || (target->children == NULL)) {
diff --git a/libxslt/variables.c b/libxslt/variables.c
index cb0d4b0..2d26872 100644
--- a/libxslt/variables.c
+++ b/libxslt/variables.c
@@ -1935,7 +1935,7 @@ xsltParseStylesheetCallerParam(xsltTransformContextPtr ctxt, xmlNodePtr inst)
the instruction itself. */
xsltStackElemPtr param = NULL;
- if ((ctxt == NULL) || (inst == NULL))
+ if ((ctxt == NULL) || (inst == NULL) || (inst->type != XML_ELEMENT_NODE))
return(NULL);
#ifdef XSLT_REFACTORED
@@ -1994,7 +1994,7 @@ xsltParseGlobalVariable(xsltStylesheetPtr style, xmlNodePtr cur)
xsltStylePreCompPtr comp;
#endif
- if ((cur == NULL) || (style == NULL))
+ if ((cur == NULL) || (style == NULL) || (cur->type != XML_ELEMENT_NODE))
return;
#ifdef XSLT_REFACTORED
@@ -2056,7 +2056,7 @@ xsltParseGlobalParam(xsltStylesheetPtr style, xmlNodePtr cur) {
xsltStylePreCompPtr comp;
#endif
- if ((cur == NULL) || (style == NULL))
+ if ((cur == NULL) || (style == NULL) || (cur->type != XML_ELEMENT_NODE))
return;
#ifdef XSLT_REFACTORED
@@ -2119,7 +2119,7 @@ xsltParseStylesheetVariable(xsltTransformContextPtr ctxt, xmlNodePtr inst)
xsltStylePreCompPtr comp;
#endif
- if ((inst == NULL) || (ctxt == NULL))
+ if ((inst == NULL) || (ctxt == NULL) || (inst->type != XML_ELEMENT_NODE))
return;
comp = inst->psvi;
@@ -2161,7 +2161,7 @@ xsltParseStylesheetParam(xsltTransformContextPtr ctxt, xmlNodePtr cur)
xsltStylePreCompPtr comp;
#endif
- if ((cur == NULL) || (ctxt == NULL))
+ if ((cur == NULL) || (ctxt == NULL) || (cur->type != XML_ELEMENT_NODE))
return;
comp = cur->psvi;
diff --git a/libxslt/xslt.c b/libxslt/xslt.c
index 6293bb3..2bc8af5 100644
--- a/libxslt/xslt.c
+++ b/libxslt/xslt.c
@@ -1162,9 +1162,9 @@ xsltParseStylesheetOutput(xsltStylesheetPtr style, xmlNodePtr cur)
xmlChar *element,
*end;
- if ((cur == NULL) || (style == NULL))
+ if ((cur == NULL) || (style == NULL) || (cur->type != XML_ELEMENT_NODE))
return;
-
+
prop = xmlGetNsProp(cur, (const xmlChar *) "version", NULL);
if (prop != NULL) {
if (style->version != NULL)
@@ -1377,12 +1377,12 @@ xsltParseStylesheetDecimalFormat(xsltStylesheetPtr style, xmlNodePtr cur)
xmlChar *prop;
xsltDecimalFormatPtr format;
xsltDecimalFormatPtr iter;
-
- if ((cur == NULL) || (style == NULL))
+
+ if ((cur == NULL) || (style == NULL) || (cur->type != XML_ELEMENT_NODE))
return;
format = style->decimalFormat;
-
+
prop = xmlGetNsProp(cur, BAD_CAST("name"), NULL);
if (prop != NULL) {
format = xsltDecimalFormatGetByName(style, prop);
@@ -1484,7 +1484,7 @@ xsltParseStylesheetPreserveSpace(xsltStylesheetPtr style, xmlNodePtr cur) {
xmlChar *elements;
xmlChar *element, *end;
- if ((cur == NULL) || (style == NULL))
+ if ((cur == NULL) || (style == NULL) || (cur->type != XML_ELEMENT_NODE))
return;
elements = xmlGetNsProp(cur, (const xmlChar *)"elements", NULL);
@@ -1558,7 +1558,7 @@ xsltParseStylesheetExtPrefix(xsltStylesheetPtr style, xmlNodePtr cur,
xmlChar *prefixes;
xmlChar *prefix, *end;
- if ((cur == NULL) || (style == NULL))
+ if ((cur == NULL) || (style == NULL) || (cur->type != XML_ELEMENT_NODE))
return;
if (isXsltElem) {
@@ -1623,7 +1623,7 @@ xsltParseStylesheetStripSpace(xsltStylesheetPtr style, xmlNodePtr cur) {
xmlChar *elements;
xmlChar *element, *end;
- if ((cur == NULL) || (style == NULL))
+ if ((cur == NULL) || (style == NULL) || (cur->type != XML_ELEMENT_NODE))
return;
elements = xmlGetNsProp(cur, (const xmlChar *)"elements", NULL);
@@ -1696,7 +1696,7 @@ xsltParseStylesheetExcludePrefix(xsltStylesheetPtr style, xmlNodePtr cur,
xmlChar *prefixes;
xmlChar *prefix, *end;
- if ((cur == NULL) || (style == NULL))
+ if ((cur == NULL) || (style == NULL) || (cur->type != XML_ELEMENT_NODE))
return(0);
if (isXsltElem)
@@ -4287,7 +4287,7 @@ static int
xsltParseUnknownXSLTElem(xsltCompilerCtxtPtr cctxt,
xmlNodePtr node)
{
- if ((cctxt == NULL) || (node == NULL))
+ if ((cctxt == NULL) || (node == NULL) || (node->type != XML_ELEMENT_NODE))
return(-1);
/*
@@ -4384,7 +4384,7 @@ xsltParseSequenceConstructor(xsltCompilerCtxtPtr cctxt, xmlNodePtr cur)
if (cctxt->inode->category == XSLT_ELEMENT_CATEGORY_EXTENSION) {
cctxt->inode->extContentHandled = 1;
}
- if (cur == NULL)
+ if ((cur == NULL) || (cur->type == XML_NAMESPACE_DECL))
return;
/*
* This is the content reffered to as a "template".
@@ -4789,7 +4789,8 @@ xsltParseSequenceConstructor(xsltCompilerCtxtPtr cctxt, xmlNodePtr cur)
*/
void
xsltParseTemplateContent(xsltStylesheetPtr style, xmlNodePtr templ) {
- if ((style == NULL) || (templ == NULL))
+ if ((style == NULL) || (templ == NULL) ||
+ (templ->type == XML_NAMESPACE_DECL))
return;
/*
@@ -4838,6 +4839,10 @@ xsltParseTemplateContent(xsltStylesheetPtr style, xmlNodePtr templ) {
void
xsltParseTemplateContent(xsltStylesheetPtr style, xmlNodePtr templ) {
xmlNodePtr cur, delete;
+
+ if ((style == NULL) || (templ == NULL) ||
+ (templ->type == XML_NAMESPACE_DECL)) return;
+
/*
* This content comes from the stylesheet
* For stylesheets, the set of whitespace-preserving
@@ -5057,7 +5062,7 @@ xsltParseStylesheetKey(xsltStylesheetPtr style, xmlNodePtr key) {
xmlChar *name = NULL;
xmlChar *nameURI = NULL;
- if ((style == NULL) || (key == NULL))
+ if ((style == NULL) || (key == NULL) || (key->type != XML_ELEMENT_NODE))
return;
/*
@@ -5147,7 +5152,8 @@ xsltParseXSLTTemplate(xsltCompilerCtxtPtr cctxt, xmlNodePtr templNode) {
xmlChar *prop;
double priority;
- if ((cctxt == NULL) || (templNode == NULL))
+ if ((cctxt == NULL) || (templNode == NULL) ||
+ (templNode->type != XML_ELEMENT_NODE))
return;
/*
@@ -5308,7 +5314,8 @@ xsltParseStylesheetTemplate(xsltStylesheetPtr style, xmlNodePtr template) {
xmlChar *modeURI = NULL;
double priority;
- if (template == NULL)
+ if ((style == NULL) || (template == NULL) ||
+ (template->type != XML_ELEMENT_NODE))
return;
/*
@@ -5440,7 +5447,7 @@ static xsltStyleItemIncludePtr
xsltCompileXSLTIncludeElem(xsltCompilerCtxtPtr cctxt, xmlNodePtr node) {
xsltStyleItemIncludePtr item;
- if ((cctxt == NULL) || (node == NULL))
+ if ((cctxt == NULL) || (node == NULL) || (node->type != XML_ELEMENT_NODE))
return(NULL);
node->psvi = NULL;
@@ -5960,7 +5967,7 @@ xsltParseXSLTStylesheetElem(xsltCompilerCtxtPtr cctxt, xmlNodePtr node)
{
xmlNodePtr cur, start;
- if ((cctxt == NULL) || (node == NULL))
+ if ((cctxt == NULL) || (node == NULL) || (node->type != XML_ELEMENT_NODE))
return(-1);
if (node->children == NULL)
@@ -6048,7 +6055,7 @@ xsltParseStylesheetTop(xsltStylesheetPtr style, xmlNodePtr top) {
int templates = 0;
#endif
- if (top == NULL)
+ if ((top == NULL) || (top->type != XML_ELEMENT_NODE))
return;
prop = xmlGetNsProp(top, (const xmlChar *)"version", NULL);
diff --git a/libxslt/xsltutils.c b/libxslt/xsltutils.c
index 7a4caf0..6a0e8f2 100644
--- a/libxslt/xsltutils.c
+++ b/libxslt/xsltutils.c
@@ -91,10 +91,15 @@ xsltGetCNsProp(xsltStylesheetPtr style, xmlNodePtr node,
if ((node == NULL) || (style == NULL) || (style->dict == NULL))
return(NULL);
- prop = node->properties;
- if (nameSpace == NULL) {
+ if (nameSpace == NULL)
return xmlGetProp(node, name);
- }
+
+ if (node->type == XML_NAMESPACE_DECL)
+ return(NULL);
+ if (node->type == XML_ELEMENT_NODE)
+ prop = node->properties;
+ else
+ prop = NULL;
while (prop != NULL) {
/*
* One need to have
@@ -131,7 +136,7 @@ xsltGetCNsProp(xsltStylesheetPtr style, xmlNodePtr node,
attrDecl = xmlGetDtdAttrDesc(doc->intSubset, node->name, name);
if ((attrDecl == NULL) && (doc->extSubset != NULL))
attrDecl = xmlGetDtdAttrDesc(doc->extSubset, node->name, name);
-
+
if ((attrDecl != NULL) && (attrDecl->prefix != NULL)) {
/*
* The DTD declaration only allows a prefix search
@@ -173,7 +178,15 @@ xsltGetNsProp(xmlNodePtr node, const xmlChar *name, const xmlChar *nameSpace) {
if (node == NULL)
return(NULL);
- prop = node->properties;
+ if (nameSpace == NULL)
+ return xmlGetProp(node, name);
+
+ if (node->type == XML_NAMESPACE_DECL)
+ return(NULL);
+ if (node->type == XML_ELEMENT_NODE)
+ prop = node->properties;
+ else
+ prop = NULL;
/*
* TODO: Substitute xmlGetProp() for xmlGetNsProp(), since the former
* is not namespace-aware and will return an attribute with equal
@@ -183,8 +196,6 @@ xsltGetNsProp(xmlNodePtr node, const xmlChar *name, const xmlChar *nameSpace) {
* So this would return "myName" even if an attribute @name
* in the XSLT was requested.
*/
- if (nameSpace == NULL)
- return(xmlGetProp(node, name));
while (prop != NULL) {
/*
* One need to have
@@ -217,7 +228,7 @@ xsltGetNsProp(xmlNodePtr node, const xmlChar *name, const xmlChar *nameSpace) {
attrDecl = xmlGetDtdAttrDesc(doc->intSubset, node->name, name);
if ((attrDecl == NULL) && (doc->extSubset != NULL))
attrDecl = xmlGetDtdAttrDesc(doc->extSubset, node->name, name);
-
+
if ((attrDecl != NULL) && (attrDecl->prefix != NULL)) {
/*
* The DTD declaration only allows a prefix search
--
1.7.12
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