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This is another attempt at fixing parser progress checks. Instead of
relying on in->consumed, which could overflow, change some content
parser functions to make guaranteed progress on certain byte sequences.
This is another attempt at fixing parser progress checks. Instead of
relying on in->consumed, which could overflow, make the attribute parser
functions return a NULL name only if they don't make progress.
This is another attempt at fixing parser progress checks. Instead of
relying on in->consumed, which could overflow, change some DTD parser
functions to make guaranteed progress on certain byte sequences.
In some cases, for example when using encoders, the read callback was
set to NULL, in other cases it was set to xmlInputReadCallbackNop.
xmlGROW only tested for xmlInputReadCallbackNop, resulting in errors
when parsing large encoded content from memory.
Always use a NULL callback for memory buffers to avoid ambiguities.
Fixes#262.
When using xmlreader, XPointer expressions in XIncludes simply cannot
work. Expressions can reference nodes which weren't parsed yet or which
were already deleted.
After fixing nested XIncludes, we reference includes which were parsed
previously. When streaming, these nodes could have been deleted, leading
to use-after-free errors.
Disallow XPointer expressions and truncate the include table in
streaming mode.
Only scan new includes in the second pass. Always reset the "replace"
flag.
This only matters if xmlXIncludeDoProcess is called multiple times on
the same document which currently only happens when called from
xmlreader.
Newer versions of llvm-symbolizer require libxml2 themselves. Running
a test program with LD_LIBRARY_PATH set to .libs makes llvm-symbolizer
pick up the tested development version of libxml2 which breaks
completely if the build is instrumented with ASan. Add a wrapper script
that invokes llvm-symbolizer with an empty LD_LIBRARY_PATH.
GCC 12 fixed -Waddress warnings for inline functions, resulting in
warnings when comparing pthread_equal with NULL. Simply remove the
check and assume that pthread_equal is available if all the other
functions are. This code is only enabled on Linux anyway.
Don't create subcontext in xmlXIncludeRecurseDoc. Save and restore 'doc'
and 'incTab' instead.
Make xmlXIncludeLoadFallback call xmlXIncludeCopyNode which seems safer
than xmlXIncludeDoProcess since the latter may modify the document.
This should also be more performant since we need to copy the whole
fallback subtree anyway. Also make sure to avoid replacements in
fallback elements in xmlXIncludeDoProcess.
Use a single cache stored in the "root" context, avoiding cache misses
in some scenarios. Separate the cache from the "include" table. Rework
recursion check.
xinclude.c used to implement a refcounting mechanism for documents which
could result in documents being freed too early and reloaded. We really
should keep parsed and processed documents around for as long as
possible to avoid reprocessing.
