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xmlXPathEmptyNodeSet would write a NULL pointer just beyond the end of
the nodeTab array. This macro isn't used in libxml2, but in some of the
math functions in libexslt where it can result in heap corruption and
denial of service.
Found by afl-fuzz and ASan.
looping 1000 time on an error stating that a nodeset has
grown out of control is useless, make sure we percolate
error up to the various loops and break when errors occurs
Example xmlXPathNormalizeFunction() would do CHECK_ARITY(1)
and the expect valuePop(ctxt); to return an object, except
now valuePop() looks at the XPath stack frames and fails returning
NULL, and we end up crashing dereferencing the object.
Real solution is to exten CHECK_ARITY() and recompile all
XPath functions using it.
* xmllint.c xpath.c include/libxml/xpath.h
include/libxml/xpathInternals.h python/libxml.c
python/libxml_wrap.h: trying to remove some warning when compiling
on Fedora Core 3 and 64bits
Daniel
* elfgcchack.h doc/elfgcchack.xsl libxml.h: hack based on Arjan van de
Ven suggestion to reduce ELF footprint and generated code. Based on
aliasing of libraries function to generate direct call instead of
indirect ones
* doc/libxml2-api.xml doc/Makefile.am doc/apibuild.py: added automatic
generation of elfgcchack.h based on the API description, extended
the API description to show the conditionals configuration flags
required for symbols.
* nanohttp.c parser.c xmlsave.c include/libxml/*.h: lot of cleanup
* doc/*: regenerated the docs.
Daniel
* include/libxml/xpathInternals.h: undid last change (my
bad). Put necessary fix in libxslt/libexslt instead.
* include/libxml/DOCBparser.h: put test for __GCC__ on
warning directive (Bug 129105)
* include/libxml/xpathInternals.h: fixed xmlXPathReturnString
to cater for NULL pointer (bug 129561)
* globals.c: added comment to suppress documentation warning
* doc/apibuild.py: fixed problem which caused last APIchunkxx.html
to be lost. Rebuilt doc/* (including adding APIchunk26.html)
* include/libxml/*.h include/libxml/*.h.in: modified the file
header to add more informations, painful...
* genChRanges.py genUnicode.py: updated to generate said changes
in headers
* doc/apibuild.py: extract headers, add them to libxml2-api.xml
* *.html *.xsl *.xml: updated the stylesheets to flag geprecated
APIs modules. Updated the stylesheets, some cleanups, regenerated
* doc/html/*.html: regenerated added back book1 and libxml-lib.html
Daniel
* doc/html/*.html: Finally - found the problem with the
page generation (XMLPUBFUN not recognized by gtkdoc).
Re-created the pages using a temporary version of
include/libxml/*.h.
* testOOMlib.c,include/libxml/encoding.h,
include/libxml/schemasInternals.h,include/libxml/valid.h,
include/libxml/xlink.h,include/libxml/xmlwin32version.h,
include/libxml/xmlwin32version.h.in,
include/libxml/xpathInternals.h: minor edit of comments
to help automatic documentation generation
* doc/docdescr.doc: small elaboration
* doc/examples/test1.c,doc/examples/Makefile.am: re-commit
(messed up on last try)
* xmlreader.c: minor change to clear warning.
* error.c include/libxml/xmlerror.h include/libxml/xpath.h
include/libxml/xpathInternals.h xpath.c: cleaning up XPath
error reporting that time.
* threads.c: applied the two patches for TLS threads
on Windows from Jesse Pelton
* parser.c: tiny safety patch for xmlStrPrintf() make sure the
return is always zero terminated. Should also help detecting
passing wrong buffer size easilly.
* result/VC/* result/valid/rss.xml.err result/valid/xlink.xml.err:
updated the results to follow the errors string generated by
last commit.
Daniel
* result/c14n/exc-without-comments/merlin-c14n-two-*
result/c14n/without-comments/merlin-c14n-two-*
test/c14n/exc-without-comments/merlin-c14n-two-*
test/c14n/without-comments/merlin-c14n-two-*
testC14N.c Makefile.am: added merlin-c14n-two.tar.gz tests for
c14n/exc-c14n and slightly modified test script to handle
these test cases
* c14n.c: fixed bugs for complicated nodes set (namespace
without node and others from merlin-c14n-two.tar.gz)
* include/libxml/xpathInternals.h win32/dsp/libxml2.def.src
win32/libxml2.def.src: "opened" xmlXPathNodeSetFreeNs() function
for xmlsec performance patch
* xpath.c: fixed self::node() for namespaces and attributes
* doc/libxml2-api.xml doc/parsedecl.py: Build a new version
hopefully near complete and fully documented of the API in XML
* HTMLtree.c SAX.c debugXML.c error.c globals.c parser.c tree.c
xmlIO.c xmlmemory.c include/libxml/catalog.h include/libxml/hash.h
include/libxml/list.h include/libxml/parser.h include/libxml/tree.h
include/libxml/parserInternals.h include/libxml/valid.hi
include/libxml/xmlIO.h include/libxml/xmlerror.hi
include/libxml/xmlmemory.h include/libxml/xmlversion.h.ini
include/libxml/xpath.h include/libxml/xpathInternals.h:
Cleaned up the doc comments a lot in the process, the interface
coverage is now 100%
Daniel
* SAX.c: cleanup patch from Anthony Jones
* doc/Makefile.am: fix the headers to avoid in make scan
* parserInternals.c xpath.c include/libxml/*.h: cleanup of the
includes, * vs Ptr and general cleanup
* parsedecl.py: first version of a script to extract the
module interfaces, the goal will be to provide .decl or XML
specification of the interfaces to build wrappers.
Daniel
* DOCBparser.c parser.c valid.c include/libxml/parserInternals.h
include/libxml/xmlerror.h include/libxml/xpathInternals.h:
Fixed a few other problems raised by Charlie Bozeman.
* result/VC/ElementValid[5-7]: fixed the output
Daniel
* xpath.c: fixed a bug in xmlXPathNodeTrailingSorted (for now it
worked like the set:leading() function)
* include/libxml/xpathInternals.h: added xmlXPathNodeSetContains
Cleanup, cleanup ..
* configure.in Makefile.am: removed libxml softlink for good
* include/libxml/*.h *.c doc/Makefile.am: cleanup to get
100% coverage by gtk-doc
Daniel
* include/libxml/xpath{,Internals}.h xpath.c: added a more
convenient extension API for value and context managing
Now handles external objects through xmlXPathPopExternal,
xmlXPathWrapExternal and xmlXPathReturnExternal.
Added functions for sets operations (intersection, etc.)
lot of optimization work, results in significant improvements
when handling really complex XPath queries. Add a small optimizer
for unions, improve [n] and [last()], avoid some costly ops.
Daniel
* AUTHORS: added William and Bjorn
* include/libxml/*.h *.c README doc/*.html etc.: changed old email to
daniel@veillard.com hopefully I won't have to do this again
* doc/Makefile.am doc/html/*.html: cleanup makefile, checked that
docs can be rebuilt cleanly now
* include/libxml/xml*version.h*: removed include/libxml/xmlversion.h
from CVs it's generated, added include/libxml/xmlwin32version.h
also generated but which should change far less frequently.
* catalog.c nanoftp.c: made sure to include libxml.h not
libxml/xmlversion.h directly
* include/libxml/*.h: include xmlwin32version.h instead of xmlversion.h
when compiling on WIN32 and MSC
Daniel
- xinclude.c xpath.c xpathInternals.h xpointer.c: cleanup
w.r.t. --without-debug and other include points
- catalog.h testCatalog.c: a bit of cleanup and prepare for XML
Catalogs
- configure.in entities.h tree.h HTMLparser.c: removed
--without-corba, made the _private field mandatory
Daniel
xmlversion.h.in xpathInternals.h xpath.h: some cleanup for gtk-doc
- doc/html/* : rebuilt the docs
- valid.c: small patch which may improve some case when
validating.
Daniel
Thu Feb 23 02:03:56 CET 2001 Tomasz Koczko <kloczek@pld.org.pl>
* *.c *.h libxml files: moved to libxml directory - this allow
simplify automake/autoconf. Now isn't neccessary hack on
am/ac level for make and remove libxml symlink (modified for this
also configure.in and main Makefile.am). Now automake abilities
are used in best way (like in many other projects with libraries).
* include/win32config.h: moved to libxml directory (now include
directory isn't neccessary).
* Makefile.am, examples/Makefile.am, libxml/Makefile.am:
added empty DEFS and in INCLUDES rest only -I$(top_builddir) -
this allow minimize parameters count passed to libtool script
(now compilation is also slyghtly more quiet).
* configure.in: simplifies libzdetestion - prepare separated
variables for keep libz name and path to libz header files isn't
realy neccessary (if someone have libz installed in non standard
prefix path to header files ald library can be passed as:
$ CFALGS="-I</libz.h/path>" LDFLAGS="-L</libz/path>" ./configure
* autogen.sh: check now for libxml/entities.h.
After above building libxml pass correctly and also pass
"make install DESTDIR=</install/prefix>" from tar ball generated by
"make dist". Seems ac/am reorganization is finished. This changes
not touches any other things on *.{c,h} files level.
a new specific type for XSLT:
- xpathInternals.h xpath.[ch] debugXML.c: added the XPATH_XSLT_TREE
type correponding to an XSLT result tree fragment. Share most
of the data format with node set, as well as operators.
- HTMLtree.c: added a newline at the end of the doctype output
whe this one is not present initially.
- tree.c: make sure taht the parent and doc pointers are properly
set when copying attributes (lists).
Daniel
- xpath.c: fixed the comaprision of values and nodelists,
need to compare nodelist still ...
- debugXML.c: avoided a possible core dump
- HTMLparser.c: cleanup
- nanohttp.c: contributed fix.
- tree.c: fixes in properties handling added xmlSetNsProp
needed by libxslt
- xpathInternals.h: exported xmlXPathBooleanFunction, added a
comment
- TODO: updated
Daniel
- HTMLparser.[ch]: added a way to avoid adding automatically
omitted tags. htmlHandleOmittedElem() allows to change the
default handling.
- tree.[ch] xmllint.c: added xmlDocDumpFormatMemory() and
xmlDocDumpFormatMemoryEnc(), uses memory functions for output
of xmllint too when using --memory flag, added a memory test
suite at the Makefile level.
- xpathInternals.h xpath.[ch] xpointer.c: fixed problems
with namespace use when encountering QNames in XPath evalation,
added xmlns() scheme in XPointer.
- nanoftp.c : incorporated a fix
- parser.c xmlIO.c: fixed problems raised with encoding when using
the memory I/O
- parserInternals.c: closed bug 25934 reported by
torsten.landschoff@innominate.de
- TODO: updated
Daniel
- HTMLparser.c: some fixes on auto-open of html/head/body
- encoding.c: fixed a compilation error on some gcc env
- xpath.c xpointer.[ch] xpathInternals.h: improved the
XPointer implementation
- test/XPath/xptr/strpoint test/XPath/xptr/strrange3: added
related XPointer tests and associated results
Daniel
- configure.in: release 2.2.6
- xpath.[ch] xpointer.c xpathInternals.h: added xpathInternals.h
exporting the inner functions of xpath for extension modules
- doc/*: updated and rebuilt the doc
Daniel
