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Add Huffman decoding from libngttp2 library (MIT licensed),
and use it in HTTP/3 to display the decoded QPACK bytes.
(HTTP/2 and HTTP/3 use the same Huffman encoding.) These
files are not part of the public libnghttp2 library but
normally internal.
Note that libnghttp3 does not supply a function to inflate
headers like nghttp2_hd_inflate_h2.
Related to #16761
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Move the libwireshark pkgconfig file to the resource directory.
Set the various paths in our .pc files based on the `pcfiledir` variable
instead of using absolute paths. This should make it possible to install
using a DESTDIR that differs from CMAKE_INSTALL_PREFIX.
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Move the libwireshark pkgconfig file to the libwireshark directory
(epan).
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Consolidate code to handle CIDR network addresses in inet_netw.[ch].
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This is a copy of MR #9330 all code and credit to Omer Shapira.
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To reduce startup external file parsing replce the manuf file with
static arrays compiled into the binary.
Add 3 tables for MA-L, MA-M and MA-S. Add a fourth table to direct
a 24-bit MAC prefix (OUI) to one of these tables.
Adapt the make-manuf.py script to generate the static C data
instead of the text file.
The arrays are sorted and a binary search is performed to map
an OUI (24bit/28bit/36bit) to a short and long name.
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To speed up start-up we no longer read the services file
from an external resource. Instead it is compiled statically
into the binary in a sorted array.
The personal services file is still parsed and loaded at startup,
if it exists, to allow users to add custom entries and override
global entries.
For historical reasons the port list is mostly composed of
the same entry for TCP and UDP. To avoid a lot of duplication
we add an extra TCP+UDP table and do two lookups for TCP or
UDP, one in the TCP+UDP table and the other in the TCP/UDP table.
Because the services name space is pretty sparse, with lots of
holes, we also use a binary search instead of a linear array
with aprox. 49000 entries, where most would be empty.
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Rename generator script and C source file to be more descriptive
and less unwieldly respectively.
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Sometimes you have a capture file that has many duplicate frames
because of how the capture was made, and its convenient to ignore
the duplicates so you can concentrate on the data and not all
the TCP warnings.
This adds a preference in the "Protocols" section to ignore
duplicates. This currently only works while reading a capture file
*not* during a live capture.
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Use FindPython3.cmake instead of the deprecated FindPythonInterp.cmake,
to make sure we actually find Python3.
Don't use the module with MSYS2 because it is buggy and exhibits broken
behaviour.
Run it earlier in the configuration, just as a precaution, so other
indirect calls to find python don't happen earlier.
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This reverts commit d6380e7ae40ec53cbd9119e9527546656f82d660.
Turns out we were unwittingly still using FindPythonInterp
instead of FindPython3.cmake, via LocatePythonModule.cmake,
nd this commit actually enabled FindPython3.cmake. Also turns
out FindPython3.cmake is far too clever and very buggy with MSYS2.
It will usually not find the correct python binary and fail in many
suprising ways, depending on which combination of Python Windows
installations is present.
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Develpment headers are a sizeable part of the binary installation
and most users won't ever require them. It's recommended to package
them separately in a devel package or SDK.
Create a CMake installation component for development headers
and add the EXCLUDE_FROM_ALL property.
Headers can be installed using the invocation:
cmake --install <dir> --component Development
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The proto.h APIs expect valid UTF-8 so replace uses of format_text()
with a label copy function that just does formatting and does not
check for encoding errors. Avoid multiple levels of temporary
string allocations.
Make sure the copy does not truncate a multibyte character and
produce invalid strings. Add debug checks for UTF-8 encoding errors
instead.
We escape C0 and C1 control codes (because control codes)
and ASCII whitespace (and bell).
Overall the goal is to be more efficient and optimized and help
detect misuse of APIs by passing invalid UTF-8.
Add a unit test for ws_label_strcat.
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Add the de facto standard Lua regex API to Wireshark. Upstream
code is copied verbatim and the module opened in the "rex" table.
This is just a user convenience and developer quality of life improvement
over the GRegex Lua API because it has always been possible to
load lrexlib-pcre2 as a Lua module from Wireshark.
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The "image" directory contains resource compiler assets and other
application resources, so name it "resources."
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This makes it easier to understand the code, avoids conflicts
and ugly and unnecessary casts.
The field display enum has evolved over time from integer types
to a type generic parameter.
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C is notoriously difficult to bind from other languages
without additional metadata. The C ABI does not include
enums and macros that are an essential component of the
API.
To make Wireshark instrospectable and more binding friendly
include an introspection API to export enums and integer macros.
To avoid the tedious need to manually keep the code up to date
it uses the excellent pyclibrary python package to automatically
parse C headers and extract this data.
This is not a process that should be done automatically during
the build.
This could be used for example to replace most of the wslua
make-init-lua.pl perl script, which tries to do the same thing
using regular expressions.
Besides the downside of using Perl using regular expressions
is inferior to pyclibrary in 2 ways: 1) pyclibrary understands
most of C99 grammar so it is much more powerful; 2) pyclibrary
has a specific API to extract "values" (enums and constants)
automagically. We just need to take care to use only integer
values, for our purposes.
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PCRE2 is the future of PCRE. The only advantage of GRegex is that
it comes bundled with GLib, which is not an advantage at all.
PCRE2 is widely available, the GRegex abstractions layer are not a
good fit and abstract things that don't need abstracting or that we
could handle better ourselves, there are open bugs (#12997) and
maintenance is spotty at best.
GRegex comes with many of the problems of bundled code, aggravated by
the fact that it completely falls outside of our control.
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Move dissectors.c to a separate object library so that the rest of the
dissectors don't have to wait for it to be generated. This reduces build
time here by a few seconds when ccache is enabled.
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This patch adds basic dissection for the egfx channel. It also fixes fragmentation
in the dynamic channel, and also introduces some of the decompressors involved in RDP
traffic.
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379352ef7f / !3603 removed GLib from the INTERFACE_LINK_LIBRARIES and
INTERFACE_INCLUDE_DIRECTORIES properties for the epan target. This broke
external plugin development as discussed in !3891, so switch it back.
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This header was installed incorrectly to epan/wmem_scopes.h.
Instead of creating additional installation rules for a single
header in a subfolder (kept for backward compatibility) just
rename the standard "epan/wmem/wmem.h" include to
"epan/wmem_scopes.h" and fix the documentation.
Now the header is installed *correctly* to epan/wmem_scopes.h.
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This allows wmem to be used from other libraries, namely wsutil.
It is often the case that a funtion exists in wsutil and cannot
be used with a wmem scope, requiring some code duplication or
extra memory allocations, or vice-versa, code in epan cannot be
moved to wsutil because it has a wmem dependency.
To this end wmem is moved to wsutil. Scope management remains part
of epan because those scope semantics are specific to dissection.
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Mark wsutil's includes SYSTEM PRIVATE. This exposed a lot of targets
that were indirectly picking up include paths via the wsutil target, so
add direct includes where needed. The G.722 and G.726 codecs were
implicilty including tiffio.h; find it explicitly instead.
Mark some of wsutil's libraries PRIVATE, but leave commonly-used ones
PUBLIC.
Ping #17477.
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epan/CMakeLists.txt set both SYSTEM PUBLIC and SYSTEM PRIVATE for
GLIB2_INCLUDE_DIRS. The PUBLIC keyword adds it to the
INTERFACE_INCLUDE_DIRECTORIES property, which is only appropriate for
includes that we ship with Wireshark, so remove that one. Make
GLIB2_LIBRARIES private as well.
Fixes #17477.
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Dependending on version_info is unnecessary and forces an epan
rebuild every time the git commit id changes, which can be slow,
especially with LTO enabled, and again is unnecessary.
Printing the VCS version to the TLS debug log is a minor convenience
that doesn't justify the cost to relink epan with every commit.
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This includes as little as possible in the assertion header, so
that it can be included globally in every file without pulling
any unwanted definitions. In particular pulling stdlib.h is
avoided because that can have side effects if it wants to
include non-portable extensions.
It is possible to have side-effects from include glib.h too, for
example because of G_LOG_DOMAIN.
These side-effects are usually avoidable with careful ordering
of pre-processor directives but with multiple levels of indirections
it can be hard to track. Better to make it robust to these kinds
of failures in the first place.
Also integrate with our logger for a cohesive experience (but
keep it a private dependency).
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This simply implements the patches given in a comment on bug 16270.
<https://gitlab.com/wireshark/wireshark/-/issues/16270#note_400748726>
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Calling cmake with -DENABLE_VLD=ON when building with Visual Studio,
results in debug configuration being linked to Visual Leak Detector.
By default, Visual Leak Detector outputs the leak summary to Visual
Studio debug window. When ENABLE_VLD is active, VLD is linked to all
wireshark libraries and executables.
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I believe this was the original intention, to use these API restricitons
with dissectors only (not that I necessarily agree with that policy either),
and through copy-paste and lack of clear guidelines it spread to other
parts of the build.
Rename the checkAPI groups to make it very clear that this is dissector-only.
This doesn't mean, of course, that good programming practices shouldn't be
followed everywhere. In particular assertions need to be used properly.
Don't use them to catch runtime errors or validate input data.
This commit will be followed by another removing the various ugly hacks
people have been using to get around the checkAPI hammer.
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This merge request adds:
* Decoding of ProtocolID and PPID in Component Status Protocol dissector.
* Moved SCTP PPID list from SCTP dissector into separate file sctpppids.c,
due to reuse in Component Status Protocol dissector.
* Export of sctpppid_val_ext containing the PPID list.
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The include_directories documentation at
https://cmake.org/cmake/help/latest/command/include_directories.html
says:
"Note: Prefer the target_include_directories() command to add include
directories to individual targets and optionally propagate/export them
to dependents."
Switch from include_directories to target_include_directories in a bunch
of places.
Add "SYSTEM" to the remaining external include_directories calls in
order to minimize our compiler warning blast radius.
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