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2022-04-11Try to fix a narrowing warningJoão Valverde1-7/+4
"C:\Development\wsbuild64\Wireshark.sln" (default target) (1) -> "C:\Development\wsbuild64\epan\dfilter\dfilter.vcxproj.metaproj" (default target) (18) -> "C:\Development\wsbuild64\epan\dfilter\dfilter.vcxproj" (default target) (108) -> (ClCompile target) -> C:/Development/wireshark/epan/dfilter/scanner.l(463,54): warning C4267: '+=': conversion from 'size_t' to 'int ', possible loss of data [C:\Development\wsbuild64\epan\dfilter\dfilter.vcxproj] C:/Development/wireshark/epan/dfilter/scanner.l(463,54): warning C4267: state->location.col_start += sta te->location.col_len; [C:\Development\wsbuild64\epan\dfilter\dfilter.vcxproj] C:/Development/wireshark/epan/dfilter/scanner.l(463,54): warning C4267: ^ (compiling source file C:\Development\wsbuild64\epan\dfilter\scanner.c) [C:\Development\ws build64\epan\dfilter\dfilter.vcxproj]
2022-04-11dfilter: Handle missing error location more gracefullyJoão Valverde1-3/+5
If we don't have an offset, don't print anything with underline. Also it can underline filters using macros correctly now. $ tshark -Y 'ip and ${private_ipv4:ip.sr}' -r /dev/null tshark: Left side of "==" expression must be a field or function, not "ip.sr". ip and ip.sr == 192.168.0.0/16 or ip.sr == 172.16.0.0/12 or ip.sr == 10.0.0.0/8 ^~~~~
2022-04-10dfilter: Add location tracking to scanner and use it to report errorsJoão Valverde1-6/+42
Add location tracking as a column offset and length from offset to the scanner. Our input is a single line only so we don't need to track line offset. Record that information in the syntax tree. Return the error location in dfilter_compile(). Use it in dftest to mark the location of the error in the filter string. Later it would be nice to use the location in the GUI as well. $ dftest "ip.proto == aaaaaa and tcp.port == 123" Filter: ip.proto == aaaaaa and tcp.port == 123 dftest: "aaaaaa" cannot be found among the possible values for ip.proto. ip.proto == aaaaaa and tcp.port == 123 ^~~~~~
2022-04-05dfilter: Print syntax tree using dftest + format enhancementsJoão Valverde1-3/+7
Add argument to dfilter_compile_real() to save syntax tree text representation. Use it with dftest to print syntax tree. Misc debug output format improvements.
2022-04-04wsutil: Add configuration namespaces.Gerald Combs1-5/+5
Rename init_progfile_dir to configuration_init. Add an argument which specifies our configuration namespace, which can be "Wireshark" (default) or "Logwolf".
2022-03-28dfilter: Store expanded textJoão Valverde1-4/+0
2022-02-20Remove editor modelines and .editorconfig exceptions from root filesDavid Perry1-123/+110
2022-01-01Revert "epan: Initialize wiretap"João Valverde1-0/+9
This reverts commit c15f2aadc1aef3f4855c682ff7f686d5f63088cb. Crashes on exit. Needs more work. Fixes #17821.
2021-11-27epan: Initialize wiretapJoão Valverde1-9/+0
Clients of libwireshark should not be required to initialize explicitly wiretap, if they don't use it themselves.
2021-09-29dftest: Don't use quotes to output filterJoão Valverde1-1/+1
Using quotes is confusing because they are difficult to distinguish from the actual filter expression itself. Quotes are unnecessary anyway because whitespace is not significant (except inside brackets).
2021-06-26wslog: Check environment initialization for errorsJoão Valverde1-3/+3
Initialiaze the cmdarg error stream earlier. Dumpcap also needs to know earlier if it is running in capture child mode.
2021-06-21wslog: Check if we are initialized and add missing initsJoão Valverde1-0/+7
Instead of receiving the program name from GLib, pass it explicitly to ws_log_init() instead and use that to initialize the GLib program name. ws_log_parse_args() will now exit the program when it encounters an argument error if exit_failure >= 0.
2021-03-15Add more error-reporting routines that call through a function pointer.Guy Harris1-36/+25
Have routines to report capture-file errors, using libwireshark error codes and strings, that call through a pointer, so they can pop up dialogs in GUI apps, print a message to the standard error on command-line apps, and possibly do something different on server programs. Have init_report_message() take a pointer to structure containing those function pointers, rather than the function pointers themselves, as arguments. Make other API changes to make that work.
2021-02-19wiretap: eliminate two WTAP_FILE_TYPE_SUBTYPE_ values.Guy Harris1-0/+5
Eliminate WTAP_FILE_TYPE_SUBTYPE_ERF and WTAP_FILE_TYPE_SUBTYPE_SYSTEMD_JOURNAL - instead, fetch the values by name, using wtap_name_to_file_type_subtype(). This requires that wtap_init() be called before epan_init(); that's currently the case, but put in comments to indicate why it must continue to be the case.
2020-07-06Windows: Set our locale to ".UTF-8".Gerald Combs1-1/+8
In each of our executables we were calling "setlocale(LC_ALL, "")" at startup. This told Windows that output was encoded using the current system code page. Unless the code page was 65001 (UTF-8), this was a lie. We write UTF-8 to stdout and stderr, so call "setlocale(LC_ALL, ".UTF-8)" at startup on Windows. This lets the CRT translate our output correctly in more cases. Clarify and expand the OUTPUT section in the tshark man page. Bug: 16649 Change-Id: If93231fe5b332c292946c7f8e5e813e2f543e799 Reviewed-on: https://code.wireshark.org/review/37560 Petri-Dish: Gerald Combs <gerald@wireshark.org> Tested-by: Petri Dish Buildbot Reviewed-by: Gerald Combs <gerald@wireshark.org>
2019-07-26HTTPS (almost) everywhere.Guy Harris1-1/+1
Change all wireshark.org URLs to use https. Fix some broken links while we're at it. Change-Id: I161bf8eeca43b8027605acea666032da86f5ea1c Reviewed-on: https://code.wireshark.org/review/34089 Reviewed-by: Guy Harris <guy@alum.mit.edu>
2019-01-31dftest: Always free the get_args_as_string resultVasil Velichkov1-0/+2
Fixes ASAN test failures for 14 dfilter tests. Change-Id: I1592bb1f679253a5eb8be8496881c4e4af207612 Reviewed-on: https://code.wireshark.org/review/31843 Petri-Dish: Peter Wu <peter@lekensteyn.nl> Tested-by: Petri Dish Buildbot Reviewed-by: Peter Wu <peter@lekensteyn.nl>
2018-09-09epan: Add argument to epan_init() to disable pluginsJoão Valverde1-1/+1
Change-Id: I8dc76e6bf8c4d5a3081cbdc1d47b88e857415d29 Reviewed-on: https://code.wireshark.org/review/29498 Petri-Dish: João Valverde <j@v6e.pt> Tested-by: Petri Dish Buildbot Reviewed-by: João Valverde <j@v6e.pt>
2018-08-29epan: Remove unnecessary all protocols registration callbackJoão Valverde1-3/+1
We are exporting a registration function from libwireshark just to have it passed back as a callback. Seems unnecessary. Change-Id: I7621005c9be11691d319102326824c5e3520a6f3 Reviewed-on: https://code.wireshark.org/review/29328 Petri-Dish: João Valverde <j@v6e.pt> Tested-by: Petri Dish Buildbot Reviewed-by: João Valverde <j@v6e.pt>
2018-05-05Don't use dladdr() to get a pathname for the current executable().Guy Harris1-1/+1
Change-Id: I24ad11a659c2cb936f873339dc2b36ac9944280a Reviewed-on: https://code.wireshark.org/review/27359 Petri-Dish: Guy Harris <guy@alum.mit.edu> Tested-by: Petri Dish Buildbot Reviewed-by: Guy Harris <guy@alum.mit.edu>
2018-02-08replace SPDX identifier GPL-2.0+ with GPL-2.0-or-later.Dario Lombardo1-1/+1
The first is deprecated, as per https://spdx.org/licenses/. Change-Id: I8e21e1d32d09b8b94b93a2dc9fbdde5ffeba6bed Reviewed-on: https://code.wireshark.org/review/25661 Petri-Dish: Anders Broman <a.broman58@gmail.com> Petri-Dish: Dario Lombardo <lomato@gmail.com> Reviewed-by: Anders Broman <a.broman58@gmail.com>
2018-01-09wiretap: add a parameter to wtap_init() indicating whether plugins must be ↵Pascal Quantin1-1/+1
loaded g995812c5f1 moved wiretap plugins registration from applications to wiretap library init function. As we do not want to load plugins for all users of libwiretap, let's make it configurable. Bug: 14314 Change-Id: Id8fdcc484e2d0d31d3ab0bd357d3a6678570f700 Reviewed-on: https://code.wireshark.org/review/25194 Reviewed-by: Dario Lombardo <lomato@gmail.com> Petri-Dish: Dario Lombardo <lomato@gmail.com> Tested-by: Petri Dish Buildbot Reviewed-by: Anders Broman <a.broman58@gmail.com>
2017-12-14Refactor plugin registration and loadingJoão Valverde1-9/+0
Put different types of plugins (libwiretap, libwireshark) in different subdirectories, give libwiretap and libwireshark init routines that load the plugins, and have them scan the appropriate subdirectories so that we don't even *try* to, for example, load libwireshark plugins in programs that only use libwiretap. Compiled plugins are stored in subfolders of the plugin folders, with the subfolder name being the Wireshark minor version number (X.Y). There is another hierarchical level for each Wireshark library (libwireshark, libwscodecs and libwiretap). The folder names are respectively plugins/X.Y/{epan,codecs,wiretap}. Currently we only distribute "epan" (libwireshark) plugins. Change-Id: I3438787a6f45820d64ba4ca91cbe3c8864708acb Reviewed-on: https://code.wireshark.org/review/23983 Petri-Dish: João Valverde <j@v6e.pt> Tested-by: Petri Dish Buildbot Reviewed-by: João Valverde <j@v6e.pt>
2017-11-21Move the protocol registration routines back into libwiresharkJoão Valverde1-1/+1
Follow-up to b695b3e2f72998d66ca4b7a6826d4ce1688060c8. Change-Id: I7e36519f2c3806c1205d05437671325080974257 Reviewed-on: https://code.wireshark.org/review/24524 Petri-Dish: João Valverde <j@v6e.pt> Tested-by: Petri Dish Buildbot Reviewed-by: João Valverde <j@v6e.pt>
2017-11-09Start using SPDX license identifiers.Gerald Combs1-13/+1
A while back Graham pointed out the SPDX project (spdx.org), which is working on standardizing license specifications: https://www.wireshark.org/lists/wireshark-dev/201509/msg00119.html Appendix V of the specification describes a short identifier (SPDX-License-Identifier) that you can use in place of boilerplate in your source files: https://spdx.org/spdx-specification-21-web-version#h.twlc0ztnng3b Start the conversion process with our top-level C and C++ files. Change-Id: Iba1d835776714deb6285e2181e8ca17f95221878 Reviewed-on: https://code.wireshark.org/review/24302 Reviewed-by: Gerald Combs <gerald@wireshark.org> Petri-Dish: Gerald Combs <gerald@wireshark.org> Reviewed-by: Balint Reczey <balint@balintreczey.hu> Tested-by: Petri Dish Buildbot Reviewed-by: Michael Mann <mmann78@netscape.net>
2017-04-09Pull all the "load settings" calls into a epan_load_settings() routine.Guy Harris1-1/+2
That way, nothing using libwireshark needs to know what settings need to be loaded, they just call epan_load_settings(). Change-Id: I9390e259e286fc4f5acaeaac2767e4c3c4b656af Reviewed-on: https://code.wireshark.org/review/20983 Petri-Dish: Guy Harris <guy@alum.mit.edu> Reviewed-by: Guy Harris <guy@alum.mit.edu>
2017-04-09Pull the error-reporting code for preference files into read_prefs().Guy Harris1-29/+1
No need to duplicate it in N different programs. Update comments while we're at it. Change-Id: I3096cbe5448a19363eff6303bdd54e522dae9336 Reviewed-on: https://code.wireshark.org/review/20973 Reviewed-by: Guy Harris <guy@alum.mit.edu>
2017-04-08Clean up handling of enabled/disabled protocols/heuristic dissectors.Guy Harris1-6/+8
Add a "report a warning message" routine to the "report_err" code in libwsutil, and rename files and routines appropriately, as they don't only handle errors any more. Have a routine read_enabled_and_disabled_protos() that reads all the files that enable or disable protocols or heuristic dissectors, enables and disables them based on the contents of those files, and reports errors itself (as warnings) using the new "report a warning message" routine. Fix that error reporting to report separately on the disabled protocols, enabled protocols, and heuristic dissectors files. Have a routine to set up the enabled and disabled protocols and heuristic dissectors from the command-line arguments, so it's done the same way in all programs. If we try to enable or disable an unknown heuristic dissector via a command-line argument, report an error. Update a bunch of comments. Update the name of disabled_protos_cleanup(), as it cleans up information for disabled *and* enabled protocols and for heuristic dissectors. Support the command-line flags to enable and disable protocols and heuristic dissectors in tfshark. Change-Id: I9b8bd29947cccdf6dc34a0540b5509ef941391df Reviewed-on: https://code.wireshark.org/review/20966 Reviewed-by: Guy Harris <guy@alum.mit.edu>
2017-02-09Add wtap_init to dftest.Michael Mann1-0/+4
Bug: 13387 Change-Id: I7dfae550f814cdc15924357996e2086eea58ecf4 Reviewed-on: https://code.wireshark.org/review/20026 Petri-Dish: Michael Mann <mmann78@netscape.net> Tested-by: Petri Dish Buildbot <buildbot-no-reply@wireshark.org> Reviewed-by: Michael Mann <mmann78@netscape.net>
2016-12-05Clean up initialization code for programs.Guy Harris1-2/+4
Make the init_progfile_dir() call unconditionally, even if plugins aren't supported, as that doesn't necessarily mean nobody uses the directory containing the executable. Report the error the same way in all programs, and free the error string after we're finished with it. Make the error - and the comment before the code - reflect what init_progfile_dir() is actually doing (the goal is to get the full pathname of the directory *containing* the executable; that's generally done by getting the pathname of the executable and stripping off the name of the executable, but that's won't necessarily always be the case). Also note for TShark that we won't be able to capture traffic, just as we do for Wireshark (if we don't have the pathname of the program file, we don't have a pathname to use to find dumpcap). Have the plugin scanner just fail silently if we weren't able to get the plugin directory path, so we don't have to worry about calling it if init_progfile_dir() fails. Clean up white space while we're at it. Change-Id: I8e580c719aab6fbf74a764bf6629962394fff7c8 Reviewed-on: https://code.wireshark.org/review/19076 Reviewed-by: Guy Harris <guy@alum.mit.edu>
2016-09-05Have scan_plugins() take an argument specify what to do on load failures.Guy Harris1-1/+1
That's a less gross hack to suppress load failures due to not having libwiretap than providing a no-op failure-message routine, as it at least allows other code using a failure-message routine, such as cmdarg_err() and routines that call it, to be used. We really should put libwiretap and libwireshark plugins into separate subdirectories of the plugin directories, and avoid even looking at libwireshark plugins in programs that don't use libwireshark. Change-Id: I0a6ec01ecb4e718ed36233cfaf638a317f839a73 Reviewed-on: https://code.wireshark.org/review/17506 Reviewed-by: Guy Harris <guy@alum.mit.edu>
2016-06-19Revert "tap: change glib functions to wmem."Pascal Quantin1-0/+9
This reverts commit 2e9f3c5d366eaa7139fc877b5301392166b3f985. It breaks the registration of codec, dissector and libwiretap plugins. Change-Id: I4ef91dd192f765adf87ea9fe9f3693e25dbd24de Reviewed-on: https://code.wireshark.org/review/16012 Petri-Dish: Pascal Quantin <pascal.quantin@gmail.com> Reviewed-by: Pascal Quantin <pascal.quantin@gmail.com>
2016-06-17tap: change glib functions to wmem.Dario Lombardo1-9/+0
Change-Id: I878ae6b121a669f9b7f4e1e57bc079f0cb44c0bf Reviewed-on: https://code.wireshark.org/review/15270 Petri-Dish: Dario Lombardo <lomato@gmail.com> Tested-by: Petri Dish Buildbot <buildbot-no-reply@wireshark.org> Reviewed-by: Evan Huus <eapache@gmail.com> Reviewed-by: Anders Broman <a.broman58@gmail.com>
2015-12-14Make init_progfile_dir() take a function pointer [-Wpedantic]João Valverde1-1/+1
Change-Id: I45f8ea5ee6ccc5a484c60ad6e686aaf30f6b0c98 Reviewed-on: https://code.wireshark.org/review/12557 Petri-Dish: Alexis La Goutte <alexis.lagoutte@gmail.com> Tested-by: Petri Dish Buildbot <buildbot-no-reply@wireshark.org> Reviewed-by: Guy Harris <guy@alum.mit.edu>
2015-10-28Catch REPORT_DISSECTOR_BUG() calls in dissector registration routines.Guy Harris1-2/+3
Have epan_init() return a success/failure Boolean indication. Catch exceptions when calling the dissector registration routines and, if we get one, report the error and return a failure indication. If epan_init() fails, quit, but first make sure the reported error is displayed. Change-Id: I0300cbb1f66a5644f857a205235124909d684c50 Reviewed-on: https://code.wireshark.org/review/11340 Reviewed-by: Guy Harris <guy@alum.mit.edu>
2015-02-20Just have init_progfile_dir() take a void pointer.Guy Harris1-1/+1
dladdr() takes a void * as a code pointer; have init_progfile_dir() do so, and do the casting in the calls. We don't care about the signature of the function whose address we're passing, we just want to pass a pointer to *something* in the main program. Change-Id: I9372620a97b0eb53c2bb3c0c41a238b4408f3709 Reviewed-on: https://code.wireshark.org/review/7270 Reviewed-by: Guy Harris <guy@alum.mit.edu>
2015-01-18Clean up ftype-conversion and dfilter error message string handling.Guy Harris1-2/+4
Have dfilter_compile() take an additional gchar ** argument, pointing to a gchar * item that, on error, gets set to point to a g_malloc()ed error string. That removes one bit of global state from the display filter parser, and doesn't impose a fixed limit on the error message strings. Have fvalue_from_string() and fvalue_from_unparsed() take a gchar ** argument, pointer to a gchar * item, rather than an error-reporting function, and set the gchar * item to point to a g_malloc()ed error string on an error. Allow either gchar ** argument to be null; if the argument is null, no error message is allocated or provided. Change-Id: Ibd36b8aaa9bf4234aa6efa1e7fb95f7037493b4c Reviewed-on: https://code.wireshark.org/review/6608 Reviewed-by: Guy Harris <guy@alum.mit.edu>
2014-12-02dftest: load plugins so plugin display filters can also be tested.Bill Meier1-0/+11
Change-Id: Ideab88b525cf58b05502f11fb1cf0f58b2864c42 Reviewed-on: https://code.wireshark.org/review/5566 Reviewed-by: Bill Meier <wmeier@newsguy.com>
2014-10-12Add editor modelines; Adjust whitespace as needed.Bill Meier1-0/+13
Change-Id: I4da7b335d905dbca10bbce03aa88e1cdeeb1f8ad Reviewed-on: https://code.wireshark.org/review/4626 Reviewed-by: Bill Meier <wmeier@newsguy.com>
2014-08-24Modify includes of config.h so that out-of-tree builds, i.e. CMakeGraham Bloice1-1/+1
don't pick up the in-tree copy. Change-Id: I7ec473876cdba1a025c52362d7f6adc62d24ce71 Reviewed-on: https://code.wireshark.org/review/3798 Petri-Dish: Graham Bloice <graham.bloice@trihedral.com> Tested-by: Petri Dish Buildbot <buildbot-no-reply@wireshark.org> Reviewed-by: Roland Knall <rknall@gmail.com> Reviewed-by: Graham Bloice <graham.bloice@trihedral.com>
2014-03-04Remove all $Id$ from top of fileAlexis La Goutte1-2/+0
(Using sed : sed -i '/^ \* \$Id\$/,+1 d') Fix manually some typo (in export_object_dicom.c and crc16-plain.c) Change-Id: I4c1ae68d1c4afeace8cb195b53c715cf9e1227a8 Reviewed-on: https://code.wireshark.org/review/497 Reviewed-by: Anders Broman <a.broman58@gmail.com>
2013-12-05Initialize the error-reporting routines before scanning for plugins, asGuy Harris1-4/+6
the code to scan for them uses those routines. This means epan_init() no longer takes those routines as arguments - which is just as well, given that the mechanism in question is no longer part of libwireshark, but is part of libwsutil. This should fix bug 9508. svn path=/trunk/; revision=53796
2013-12-02Move most of the plugin code from epan to wsutil and remove allGuy Harris1-4/+6
knowledge of particular types of plugins. Instead, let particular types of plugins register with the common plugin code, giving a name and a routine to recognize that type of plugin. In particular applications, only process the relevant plugin types. Add a Makefile.common to the codecs directory. svn path=/trunk/; revision=53710
2013-11-17Move the epan/filesystem.c routines to wsutil; they're not specific toGuy Harris1-1/+1
packet dissection, they're specific to the entire Wireshark suite of programs. svn path=/trunk/; revision=53377
2012-09-20We always HAVE_CONFIG_H so don't bother checking whether we have it or not.Jeff Morriss1-3/+1
svn path=/trunk/; revision=45015
2012-07-23Combine the two display filter README's into one,Gilbert Ramirez1-2/+1
and add a lot of explanation about how the display filter engine works. Modify dftest.c to remove printing of the dfilter_t pointer, which has absolutely no value for the user. svn path=/trunk/; revision=43941
2012-06-28Update Free Software Foundation address.Jakub Zawadzki1-1/+1
(COPYING will be updated in next commit) svn path=/trunk/; revision=43536
2012-06-25From Michael Mann:Anders Broman1-4/+0
generic preferences implementation https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=7402 svn path=/trunk/; revision=43484
2012-02-19Move dftest.c back to the top-level directory; that way, all of theGuy Harris1-0/+199
stuff in ui/cli can be stuffed into a libcliui library to link with TShark, and all of the source files containing main() (except for Wireshark) are in the top-level directory (dftest isn't any more special than TShark or capinfos or mergecap or editcap or...). svn path=/trunk/; revision=41064
2012-02-17Start moving files to ui/ and ui/cli/Jörg Mayer1-199/+0
svn path=/trunk/; revision=41047
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