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Update to 2.12.0 (#2250062)

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This commit is contained in:
David King 2023-11-16 14:22:35 +00:00
parent ae5d15fbcc
commit eefc322ae1
4 changed files with 14 additions and 272 deletions
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20
libxml2-2.11.1-python3-unicode-errors.patch → libxml2-2.12.0-python3-unicode-errors.patch
View File

@ -1,20 +1,16 @@
---
python/libxml.c | 11 ++++++++++-
1 file changed, 10 insertions(+), 1 deletion(-)
Index: libxml2-2.11.1/python/libxml.c
===================================================================
--- libxml2-2.11.1.orig/python/libxml.c
+++ libxml2-2.11.1/python/libxml.c
@@ -1606,6 +1606,7 @@ libxml_xmlErrorFuncHandler(ATTRIBUTE_UNU
diff --git a/python/libxml.c b/python/libxml.c
index bf048006..5f42e5b7 100644
--- a/python/libxml.c
+++ b/python/libxml.c
@@ -1505,6 +1505,7 @@ libxml_xmlErrorFuncHandler(ATTRIBUTE_UNUSED void *ctx, const char *msg,
PyObject *message;
PyObject *result;
char str[1000];
+ unsigned char *ptr = (unsigned char *)str;
#ifdef DEBUG_ERROR
printf("libxml_xmlErrorFuncHandler(%p, %s, ...) called\n", ctx, msg);
@@ -1622,12 +1623,20 @@ libxml_xmlErrorFuncHandler(ATTRIBUTE_UNU
if (libxml_xmlPythonErrorFuncHandler == NULL) {
va_start(ap, msg);
@@ -1516,12 +1517,20 @@ libxml_xmlErrorFuncHandler(ATTRIBUTE_UNUSED void *ctx, const char *msg,
str[999] = 0;
va_end(ap);

46
libxml2-2.9.12-fix-formatting-regression.patch
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@ -1,46 +0,0 @@
From 13ad8736d294536da4cbcd70a96b0a2fbf47070c Mon Sep 17 00:00:00 2001
From: Nick Wellnhofer <wellnhofer@aevum.de>
Date: Tue, 25 May 2021 10:55:25 +0200
Subject: [PATCH] Fix regression in xmlNodeDumpOutputInternal
Commit 85b1792e could cause additional whitespace if xmlNodeDump was
called with a non-zero starting level.
---
xmlsave.c | 14 +++++++-------
1 file changed, 7 insertions(+), 7 deletions(-)
diff --git a/xmlsave.c b/xmlsave.c
index aedbd5e7..489505f4 100644
--- a/xmlsave.c
+++ b/xmlsave.c
@@ -890,6 +890,13 @@ xmlNodeDumpOutputInternal(xmlSaveCtxtPtr ctxt, xmlNodePtr cur) {
break;
case XML_ELEMENT_NODE:
+ if ((cur != root) && (ctxt->format == 1) &&
+ (xmlIndentTreeOutput))
+ xmlOutputBufferWrite(buf, ctxt->indent_size *
+ (ctxt->level > ctxt->indent_nr ?
+ ctxt->indent_nr : ctxt->level),
+ ctxt->indent);
+
/*
* Some users like lxml are known to pass nodes with a corrupted
* tree structure. Fall back to a recursive call to handle this
@@ -900,13 +907,6 @@ xmlNodeDumpOutputInternal(xmlSaveCtxtPtr ctxt, xmlNodePtr cur) {
break;
}
- if ((ctxt->level > 0) && (ctxt->format == 1) &&
- (xmlIndentTreeOutput))
- xmlOutputBufferWrite(buf, ctxt->indent_size *
- (ctxt->level > ctxt->indent_nr ?
- ctxt->indent_nr : ctxt->level),
- ctxt->indent);
-
xmlOutputBufferWrite(buf, 1, "<");
if ((cur->ns != NULL) && (cur->ns->prefix != NULL)) {
xmlOutputBufferWriteString(buf, (const char *)cur->ns->prefix);
--
GitLab

211
libxml2-2.9.12-fix-lxml-corrupted-tree.patch
View File

@ -1,211 +0,0 @@
From 85b1792e37b131e7a51af98a37f92472e8de5f3f Mon Sep 17 00:00:00 2001
From: Nick Wellnhofer <wellnhofer@aevum.de>
Date: Tue, 18 May 2021 20:08:28 +0200
Subject: [PATCH] Work around lxml API abuse
Make xmlNodeDumpOutput and htmlNodeDumpFormatOutput work with corrupted
parent pointers. This used to work with the old recursive code but the
non-recursive rewrite required parent pointers to be set correctly.
Unfortunately, lxml relies on the old behavior and passes subtrees with
a corrupted structure. Fall back to a recursive function call if an
invalid parent pointer is detected.
Fixes #255.
---
HTMLtree.c | 46 ++++++++++++++++++++++++++++------------------
xmlsave.c | 31 +++++++++++++++++++++----------
2 files changed, 49 insertions(+), 28 deletions(-)
diff --git a/HTMLtree.c b/HTMLtree.c
index 24434d45..bdd639c7 100644
--- a/HTMLtree.c
+++ b/HTMLtree.c
@@ -744,7 +744,7 @@ void
htmlNodeDumpFormatOutput(xmlOutputBufferPtr buf, xmlDocPtr doc,
xmlNodePtr cur, const char *encoding ATTRIBUTE_UNUSED,
int format) {
- xmlNodePtr root;
+ xmlNodePtr root, parent;
xmlAttrPtr attr;
const htmlElemDesc * info;
@@ -755,6 +755,7 @@ htmlNodeDumpFormatOutput(xmlOutputBufferPtr buf, xmlDocPtr doc,
}
root = cur;
+ parent = cur->parent;
while (1) {
switch (cur->type) {
case XML_HTML_DOCUMENT_NODE:
@@ -762,13 +763,25 @@ htmlNodeDumpFormatOutput(xmlOutputBufferPtr buf, xmlDocPtr doc,
if (((xmlDocPtr) cur)->intSubset != NULL) {
htmlDtdDumpOutput(buf, (xmlDocPtr) cur, NULL);
}
- if (cur->children != NULL) {
+ /* Always validate cur->parent when descending. */
+ if ((cur->parent == parent) && (cur->children != NULL)) {
+ parent = cur;
cur = cur->children;
continue;
}
break;
case XML_ELEMENT_NODE:
+ /*
+ * Some users like lxml are known to pass nodes with a corrupted
+ * tree structure. Fall back to a recursive call to handle this
+ * case.
+ */
+ if ((cur->parent != parent) && (cur->children != NULL)) {
+ htmlNodeDumpFormatOutput(buf, doc, cur, encoding, format);
+ break;
+ }
+
/*
* Get specific HTML info for that node.
*/
@@ -817,6 +830,7 @@ htmlNodeDumpFormatOutput(xmlOutputBufferPtr buf, xmlDocPtr doc,
(cur->name != NULL) &&
(cur->name[0] != 'p')) /* p, pre, param */
xmlOutputBufferWriteString(buf, "\n");
+ parent = cur;
cur = cur->children;
continue;
}
@@ -825,9 +839,9 @@ htmlNodeDumpFormatOutput(xmlOutputBufferPtr buf, xmlDocPtr doc,
(info != NULL) && (!info->isinline)) {
if ((cur->next->type != HTML_TEXT_NODE) &&
(cur->next->type != HTML_ENTITY_REF_NODE) &&
- (cur->parent != NULL) &&
- (cur->parent->name != NULL) &&
- (cur->parent->name[0] != 'p')) /* p, pre, param */
+ (parent != NULL) &&
+ (parent->name != NULL) &&
+ (parent->name[0] != 'p')) /* p, pre, param */
xmlOutputBufferWriteString(buf, "\n");
}
@@ -842,9 +856,9 @@ htmlNodeDumpFormatOutput(xmlOutputBufferPtr buf, xmlDocPtr doc,
break;
if (((cur->name == (const xmlChar *)xmlStringText) ||
(cur->name != (const xmlChar *)xmlStringTextNoenc)) &&
- ((cur->parent == NULL) ||
- ((xmlStrcasecmp(cur->parent->name, BAD_CAST "script")) &&
- (xmlStrcasecmp(cur->parent->name, BAD_CAST "style"))))) {
+ ((parent == NULL) ||
+ ((xmlStrcasecmp(parent->name, BAD_CAST "script")) &&
+ (xmlStrcasecmp(parent->name, BAD_CAST "style"))))) {
xmlChar *buffer;
buffer = xmlEncodeEntitiesReentrant(doc, cur->content);
@@ -902,13 +916,9 @@ htmlNodeDumpFormatOutput(xmlOutputBufferPtr buf, xmlDocPtr doc,
break;
}
- /*
- * The parent should never be NULL here but we want to handle
- * corrupted documents gracefully.
- */
- if (cur->parent == NULL)
- return;
- cur = cur->parent;
+ cur = parent;
+ /* cur->parent was validated when descending. */
+ parent = cur->parent;
if ((cur->type == XML_HTML_DOCUMENT_NODE) ||
(cur->type == XML_DOCUMENT_NODE)) {
@@ -939,9 +949,9 @@ htmlNodeDumpFormatOutput(xmlOutputBufferPtr buf, xmlDocPtr doc,
(cur->next != NULL)) {
if ((cur->next->type != HTML_TEXT_NODE) &&
(cur->next->type != HTML_ENTITY_REF_NODE) &&
- (cur->parent != NULL) &&
- (cur->parent->name != NULL) &&
- (cur->parent->name[0] != 'p')) /* p, pre, param */
+ (parent != NULL) &&
+ (parent->name != NULL) &&
+ (parent->name[0] != 'p')) /* p, pre, param */
xmlOutputBufferWriteString(buf, "\n");
}
}
diff --git a/xmlsave.c b/xmlsave.c
index 61a40459..aedbd5e7 100644
--- a/xmlsave.c
+++ b/xmlsave.c
@@ -847,7 +847,7 @@ htmlNodeDumpOutputInternal(xmlSaveCtxtPtr ctxt, xmlNodePtr cur) {
static void
xmlNodeDumpOutputInternal(xmlSaveCtxtPtr ctxt, xmlNodePtr cur) {
int format = ctxt->format;
- xmlNodePtr tmp, root, unformattedNode = NULL;
+ xmlNodePtr tmp, root, unformattedNode = NULL, parent;
xmlAttrPtr attr;
xmlChar *start, *end;
xmlOutputBufferPtr buf;
@@ -856,6 +856,7 @@ xmlNodeDumpOutputInternal(xmlSaveCtxtPtr ctxt, xmlNodePtr cur) {
buf = ctxt->buf;
root = cur;
+ parent = cur->parent;
while (1) {
switch (cur->type) {
case XML_DOCUMENT_NODE:
@@ -868,7 +869,9 @@ xmlNodeDumpOutputInternal(xmlSaveCtxtPtr ctxt, xmlNodePtr cur) {
break;
case XML_DOCUMENT_FRAG_NODE:
- if (cur->children != NULL) {
+ /* Always validate cur->parent when descending. */
+ if ((cur->parent == parent) && (cur->children != NULL)) {
+ parent = cur;
cur = cur->children;
continue;
}
@@ -887,7 +890,18 @@ xmlNodeDumpOutputInternal(xmlSaveCtxtPtr ctxt, xmlNodePtr cur) {
break;
case XML_ELEMENT_NODE:
- if ((cur != root) && (ctxt->format == 1) && (xmlIndentTreeOutput))
+ /*
+ * Some users like lxml are known to pass nodes with a corrupted
+ * tree structure. Fall back to a recursive call to handle this
+ * case.
+ */
+ if ((cur->parent != parent) && (cur->children != NULL)) {
+ xmlNodeDumpOutputInternal(ctxt, cur);
+ break;
+ }
+
+ if ((ctxt->level > 0) && (ctxt->format == 1) &&
+ (xmlIndentTreeOutput))
xmlOutputBufferWrite(buf, ctxt->indent_size *
(ctxt->level > ctxt->indent_nr ?
ctxt->indent_nr : ctxt->level),
@@ -942,6 +956,7 @@ xmlNodeDumpOutputInternal(xmlSaveCtxtPtr ctxt, xmlNodePtr cur) {
xmlOutputBufferWrite(buf, 1, ">");
if (ctxt->format == 1) xmlOutputBufferWrite(buf, 1, "\n");
if (ctxt->level >= 0) ctxt->level++;
+ parent = cur;
cur = cur->children;
continue;
}
@@ -1058,13 +1073,9 @@ xmlNodeDumpOutputInternal(xmlSaveCtxtPtr ctxt, xmlNodePtr cur) {
break;
}
- /*
- * The parent should never be NULL here but we want to handle
- * corrupted documents gracefully.
- */
- if (cur->parent == NULL)
- return;
- cur = cur->parent;
+ cur = parent;
+ /* cur->parent was validated when descending. */
+ parent = cur->parent;
if (cur->type == XML_ELEMENT_NODE) {
if (ctxt->level > 0) ctxt->level--;
--
GitLab

9
libxml2.spec
View File

@ -1,15 +1,15 @@
Name: libxml2
Version: 2.11.6
Version: 2.12.0
Release: 1%{?dist}
Summary: Library providing XML and HTML support
License: MIT
URL: http://xmlsoft.org/
Source0: https://download.gnome.org/sources/%{name}/2.11/%{name}-%{version}.tar.xz
Source0: https://download.gnome.org/sources/%{name}/2.12/%{name}-%{version}.tar.xz
Patch0: libxml2-multilib.patch
# Patch from openSUSE.
# See: https://bugzilla.gnome.org/show_bug.cgi?id=789714
Patch1: libxml2-2.11.1-python3-unicode-errors.patch
Patch1: libxml2-2.12.0-python3-unicode-errors.patch
BuildRequires: cmake-rpm-macros
BuildRequires: gcc
@ -141,6 +141,9 @@ gzip -9 -c doc/libxml2-api.xml > doc/libxml2-api.xml.gz
%{python3_sitelib}/__pycache__/drv_libxml2.*
%changelog
* Thu Nov 16 2023 David King <amigadave@amigadave.com> - 2.12.0-1
- Update to 2.12.0 (#2250062)
* Thu Nov 16 2023 David King <amigadave@amigadave.com> - 2.11.6-1
- Update to 2.11.6