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2016-08-19Adjust to the split of the SocketCAN encapsulation.Guy Harris1-1/+2
Change-Id: Ibbe97f15854163163ad2bdf3b425c63d4cbfed50 Reviewed-on: https://code.wireshark.org/review/17158 Reviewed-by: Guy Harris <guy@alum.mit.edu>
2016-04-02There are two separate IP-over-Infiniband encapsulations.Guy Harris1-1/+2
pcap files and snoop files have different headers, so there's no IP_OVER_IB encapsulation type, there are separate types for pcap and snoop. Change-Id: I00146e478d05bb11c634df0c386329db8de5635d Reviewed-on: https://code.wireshark.org/review/14774 Reviewed-by: Guy Harris <guy@alum.mit.edu>
2016-02-20Initial support for FreeBSD USB captures.Guy Harris1-1/+1
(There's also work needed in libpcap; that's also in progress.) Change-Id: Iff5a34c139a000865e2d78cc17a4af5ff24fb44b Reviewed-on: https://code.wireshark.org/review/14025 Reviewed-by: Guy Harris <guy@alum.mit.edu>
2016-01-24Update Lua tests after g9eda2faPascal Quantin1-6/+6
Change-Id: I3e9849afc8df9d81d0d9e0a4eaa9800d9c1ce8ec Reviewed-on: https://code.wireshark.org/review/13517 Reviewed-by: Pascal Quantin <pascal.quantin@gmail.com>
2015-11-26Change Lua tests to reflect the disappearance of ↵Guy Harris3-1482/+29
WTAP_ENCAP_IEEE_802_11_AIROPEEK. The old global tests don't work; get rid of them. Fix the values of the Lua globals in the new test, and get rid of IEEE_802_11_AIROPEEK. (Yes, if you have a Lua script that depends on IEEE_802_11_AIROPEEK being defined, or that depends on the values of the Wiretap encapsulations not changing, it breaks. Fix it.) Change-Id: I245c1c0c3ba1c450f7950c754624c51b5564848a Reviewed-on: https://code.wireshark.org/review/12210 Reviewed-by: Guy Harris <guy@alum.mit.edu>
2015-11-16For now, call the finish routine in Lua file writers "close".Guy Harris1-3/+3
If we ever change the way file writers work, in a fashion incompatible with the existing way they work, we'll also rename this member - and get rid of checks for earlier versions of the Lua interface. Change-Id: I64065944fa31371f5249cafd930c18f180ad7299 Reviewed-on: https://code.wireshark.org/review/11879 Reviewed-by: Guy Harris <guy@alum.mit.edu>
2015-11-09Update tests to reflect Lua file API change (write_close -> write_finish).Guy Harris1-3/+3
Change-Id: I7288cd3660dfd14be95dc42910faed47eca8226b Reviewed-on: https://code.wireshark.org/review/11661 Reviewed-by: Guy Harris <guy@alum.mit.edu>
2015-07-24Lua: add the 1.12.x Lua API to the globals verification test suiteHadriel Kaplan1-0/+1260
Change-Id: I698fc75dc915ea007b2f7762f0041dbb6dd1d8d3 Reviewed-on: https://code.wireshark.org/review/9764 Reviewed-by: Hadriel Kaplan <hadrielk@yahoo.com>
2015-07-09Lua: add functions for more field informationHadriel Kaplan1-0/+34
Add Lua functions so a plugin can introspect field information, such as the type of field, flags, tvb, etc. Also add a couple of Tvb and ByteArray methods. And cleanup the TreeItem code a little. Change-Id: I7b58ce589ace91cce14b8abccd01ceabb63e2653 Reviewed-on: https://code.wireshark.org/review/6500 Petri-Dish: Hadriel Kaplan <hadrielk@yahoo.com> Tested-by: Petri Dish Buildbot <buildbot-no-reply@wireshark.org> Reviewed-by: Hadriel Kaplan <hadrielk@yahoo.com> Tested-by: Hadriel Kaplan <hadrielk@yahoo.com>
2015-03-10Change a lot of http:// URLs to https://.Gerald Combs1-1/+1
Most of our sites are now HTTPS-only. Update URLs accordingly. Update other URLs while we're at it. Remove or comment out dead links. Change-Id: I7c4f323e6585d22760bb90bf28fc0faa6b893a33 Reviewed-on: https://code.wireshark.org/review/7621 Petri-Dish: Gerald Combs <gerald@wireshark.org> Tested-by: Petri Dish Buildbot <buildbot-no-reply@wireshark.org> Reviewed-by: Gerald Combs <gerald@wireshark.org>
2015-03-01"Break" the Acme reader so that the tests work.Guy Harris1-0/+7
We don't want to have to change the pcap-ng file against which we compare, so we hardcode the year here to be the same as the year from the pcap-ng capture. Change-Id: Ibd83d06e035341f617b8285f6ba51c749c38a177 Reviewed-on: https://code.wireshark.org/review/7448 Reviewed-by: Guy Harris <guy@alum.mit.edu>
2015-01-27Lua: Expose tcp_dissect_pdus() to LuaHadriel Kaplan1-0/+452
Provide a way for Lua-based dissectors to invoke tcp_dissect_pdus() to make TCP-based dissection easier. Bug: 9851 Change-Id: I91630ebf1f1fc1964118b6750cc34238e18a8ad3 Reviewed-on: https://code.wireshark.org/review/6778 Reviewed-by: Alexis La Goutte <alexis.lagoutte@gmail.com> Reviewed-by: Hadriel Kaplan <hadrielk@yahoo.com> Tested-by: Hadriel Kaplan <hadrielk@yahoo.com>
2015-01-23Fix test script to test Lua Pinfo, and fix problem it found.Guy Harris1-2/+0
The test script was running lua/nstime.lua rather than lua/pinfo.lua for the Pinfo test, and the Pinfo test was testing the ipproto property for a Pinfo, but that was removed. Change-Id: Iccdccd265dd550e41640af3acd607362f1f2f02e Reviewed-on: https://code.wireshark.org/review/6747 Reviewed-by: Guy Harris <guy@alum.mit.edu>
2015-01-02Lua: regex test suite fails with UTF-8 localeHadriel Kaplan1-1/+7
Due to the change in change-id Ib43e16a9d98d08e5ddaff81fd3235f5b64d7b95b, the setlocale() call has been moved earlier in tshark's processing, such that Lua plugins load with the environment locale instead of C-locale. Since that matches Wireshark's behavior, it's good, but it causes the Lua regex test suite to fail. So the test suite needs to be fixed. Bug: 10824 Change-Id: I3dcad15a9e247a1e42d2f708ccfb7272de2fe960 Reviewed-on: https://code.wireshark.org/review/6226 Reviewed-by: Hadriel Kaplan <hadrielk@yahoo.com> Reviewed-by: Graham Bloice <graham.bloice@trihedral.com>
2014-12-31Lua: allow a Dissector object to be passed in for register_heuristicHadriel Kaplan2-1/+24
Bug: 10695 Change-Id: I81181b2d00fcb5f0c25ab89bbe4968897f47a3a6 Reviewed-on: https://code.wireshark.org/review/6131 Petri-Dish: Hadriel Kaplan <hadrielk@yahoo.com> Tested-by: Petri Dish Buildbot <buildbot-no-reply@wireshark.org> Reviewed-by: Michael Mann <mmann78@netscape.net>
2014-12-25Bug 10233 - Wireshark crashes if Lua heuristic dissector returns trueHadriel Kaplan1-28/+155
Because call_heur_dissector_direct() didn't set the pinfo->heur_list_name before calling the heuristic dissector, heur_dissect_lua() would invoke report_failure(). Unfortunately, calling report_failure() within a dissector can cause problems because GTK continues invoking timed callbacks while it displays the modal dialog created by report_failure()... without yet returning from report_failure(). In such a case, it's possible for epan_dissect_run() to be called while still within the execution of a previous call to epan_dissect_run(), which casues an assert since epan_dissect_run() is not reentrant. So this commit both fixes the call_heur_dissector_direct() bug as well as avoids using report_failure() within heur_dissect_lua(). It also upadtes the dissector.lua script used in the testsuite to match the one pubshied on the wiki, since that script's heuristic dissector triggered the bug. Bug: 10233 Change-Id: If022604347745fadac01c02d370ca1a5d3f88b5b Reviewed-on: https://code.wireshark.org/review/6040 Reviewed-by: Michael Mann <mmann78@netscape.net> Petri-Dish: Michael Mann <mmann78@netscape.net> Tested-by: Petri Dish Buildbot <buildbot-no-reply@wireshark.org> Reviewed-by: Hadriel Kaplan <hadrielk@yahoo.com> Tested-by: Hadriel Kaplan <hadrielk@yahoo.com>
2014-12-01Remove private_data member from packet_info structure.Michael Mann1-2/+0
Dissectors should pass data directly to their subdissectors through the data parameter (of new-style dissectors). This avoids unintentional "trampling" from other dissectors trying to "share" private_data member. Change-Id: I2efef5c8dfeef64588ba3ac6e695b469238c6468 Reviewed-on: https://code.wireshark.org/review/5487 Petri-Dish: Michael Mann <mmann78@netscape.net> Reviewed-by: Michael Mann <mmann78@netscape.net>
2014-09-29Fix lua bindings to handle timestamp precision changesEvan Huus1-1/+1
The recent wiretap changes broke the generation of init.lua among other things, though it did coincidentally fix one of the "yuck" comments in the generator regex. (Note that this is entirely untested, because out-of-tree init.lua is and always has been broken, but it should work) Change-Id: Id0c27b31c596613997de4ba2f6088eb9d6c8fc53 Reviewed-on: https://code.wireshark.org/review/4361 Reviewed-by: Evan Huus <eapache@gmail.com>
2014-05-24Allow wtap_read() and wtap_seek_read() to return records other than packets.Guy Harris2-2/+5
Add a "record type" field to "struct wtap_pkthdr"; currently, it can be REC_TYPE_PACKET, for a record containing a packet, or REC_TYPE_FILE_TYPE_SPECIFIC, for records containing file-type-specific data. Modify code that reads packets to be able to handle non-packet records, even if that just means ignoring them. Rename some routines to indicate that they handle more than just packets. We don't yet have any libwiretap code that supplies records other than REC_TYPE_PACKET or that supporting writing records other than REC_TYPE_PACKET, or any code to support plugins for handling REC_TYPE_FILE_TYPE_SPECIFIC records; this is just the first step for bug 8590. Change-Id: Idb40b78f17c2c3aea72031bcd252abf9bc11c813 Reviewed-on: https://code.wireshark.org/review/1773 Reviewed-by: Guy Harris <guy@alum.mit.edu>
2014-05-21Fix lua directory tests.Evan Huus1-14/+16
The underlying directory iterator is not guaranteed to return directories in the same order according to the glib documentation, so don't rely on the directory order being the same when testing it. https://developer.gnome.org/glib/2.37/glib-File-Utilities.html#g-dir-read-name Bug:10009 Change-Id: I4b1078e1f3981921b1e83c4f77b4bc30a5d21b46 Reviewed-on: https://code.wireshark.org/review/1671 Reviewed-by: Evan Huus <eapache@gmail.com>
2014-04-17Add tvb_get and proto_tree_add for string-encoded byte arraysHadriel Kaplan1-25/+238
This commit adds tvb_get_string_bytes and proto_tree_add_bytes_item routines for getting GByteArrays fields from the tvb when they are encoded in ASCII hex string form. The proto_tree_add_bytes_item routine is also usable for normal binary encoded byte arrays, and has the advantage of retrieving the array values even if there's no proto tree. It also exposes the routines to Lua, both so that a Lua script can take advantage of this, but also so I can write a testsuite to test the functions. Change-Id: I112a038653df6482a5d0ebe7c95708f207319e20 Reviewed-on: https://code.wireshark.org/review/1158 Reviewed-by: Hadriel Kaplan <hadrielk@yahoo.com> Reviewed-by: Anders Broman <a.broman58@gmail.com>
2014-04-14Add tvb_get and proto_tree_add for string-encoded timestampsHadriel Kaplan1-0/+582
This commit adds tvb_get_string_time and proto_tree_add_time_item routines for getting nstime fields from the tvb when they are encoded in ASCII string form. The proto_tree_add_time_item routine is also usable for normal big/little-endian encoded time_t, and has the advantage of retrieving the value even if there's no proto tree. It also exposes the routines to Lua, both so that a Lua script can take advantage of this, but also so I can write a testsuite to test the functions. Change-Id: I955da10f68f2680e3da3a5be5ad8fdce7ed6808c Reviewed-on: https://code.wireshark.org/review/1084 Reviewed-by: Anders Broman <a.broman58@gmail.com>
2014-03-26Add various functions for Lua directory handling and path infoHadriel Kaplan1-0/+202
This adds new functions to get plugins path info, find out if a directory exists, make a new one, remove one, etc. It also creates a file environment for user-supplied Lua scripts, to prevent global variable contamination as well as supply the script-specific file name. Some other minor cleanup was done as I found them. A new testsuite was added to test the existing and new directory functions. Change-Id: I19bd587b5e8a73d89b8521af73670e023314fb33 Reviewed-on: https://code.wireshark.org/review/832 Reviewed-by: Anders Broman <a.broman58@gmail.com>
2014-03-26Add filterable expert info for LuaHadriel Kaplan3-9/+137
This adds the ability for a Lua script to register expert info fields, similar to C-code dissectors. This change also removes the need for the expert_add_info_format_internal() function. Existing Lua scripts do not have to change, because the existing expert info function uses the internal "_ws.lua" protocol instead of nothing; but using the new functionality provides more benefits since it correctly registers the expert info fields to the dissector's protocol. The test suite was amended to generate both old and new forms. Change-Id: Ib5ae74e927cfa81312baf7b04ff4104b0b4f936e Reviewed-on: https://code.wireshark.org/review/830 Reviewed-by: Evan Huus <eapache@gmail.com> Reviewed-by: Anders Broman <a.broman58@gmail.com>
2014-03-23Add Lua Struct.values() function, and prevent coercion in all Struct functionsHadriel Kaplan1-0/+19
This adds a Struct.values() function to get the number of values needed/returned with Struct.pack/unpack. It also changes the existing Struct functions such that they don't coerce a non-string argument into a string. (not preventing it confused a user on ask.wireshark.org) Change-Id: I93d5846105e55b67680e1c276a7286535c77b039 Reviewed-on: https://code.wireshark.org/review/790 Reviewed-by: Hadriel Kaplan <hadrielk@yahoo.com> Reviewed-by: Anders Broman <a.broman58@gmail.com>
2014-03-22Fix spelling mistakes in Lua test scriptsHadriel Kaplan4-28/+28
Change-Id: I8671eb3d3b46ec5c723a6545451ecbb33a10c807 Reviewed-on: https://code.wireshark.org/review/788 Reviewed-by: Hadriel Kaplan <hadrielk@yahoo.com> Reviewed-by: Alexis La Goutte <alexis.lagoutte@gmail.com>
2014-03-22Add way for Lua file reader to save state per file read/write opsHadriel Kaplan2-261/+526
Lua can create a file reader/writer, to open new capture file formats or write to new ones. To save local state, it can save things in Lua itself; but since there can be multiple open files at the same time (for example during a reload), the Lua script won't know for which file and state its read/write functions are being invoked for. To remedy this, and also provide a convenient way to store such state, this commit adds the ability for a Lua script to store a Lua table in the wtap/wtap_dumper's priv data member, just like C-code-based reader/writers do. Change-Id: Ifc9e0d5f0379accee56f2a04b6080238670fec52 Reviewed-on: https://code.wireshark.org/review/766 Reviewed-by: Hadriel Kaplan <hadrielk@yahoo.com> Reviewed-by: Anders Broman <a.broman58@gmail.com>
2014-03-19Fix lua file testsuite not working and weak heuristic readers not being ↵Hadriel Kaplan2-2/+21
registered The testsuite for Lua file reader/writer uses the acme_file.lua script to generate a pcapng file from an Acme sipmsg.log file. It then compares the tshark verbose output of this new pcapng file to a sip.pcapng file in the test/captures directory that was previously made. Unfortunately, the acme_file.lua script generates a timestamp based on local system timezone, rather than UTC, so the testsuite fails if not run in the EST timezone where the sip.pcapng file was originally made. This has now been fixed. Also, trying to register new weak heuristic readers fails because the GArray is terminated with a NULL-based row without Glib knowing about that. So this commit changes it to let Glib handle the NULL-terminated row, so that appending takes it into account automatically. Change-Id: I037ce1cfbda03585b3a1e159df78ff8ebb41fc32 Reviewed-on: https://code.wireshark.org/review/741 Reviewed-by: Alexis La Goutte <alexis.lagoutte@gmail.com>
2014-03-19Add capture file reader/writer support for Lua so scripts can implement new ↵Michael Mann2-0/+1913
capture file formats. This enables a Lua script to implement a brand new capture file format reader/writer, so that for example one could write a script to read from vendor-specific "logs" of packets, and show them as normal packets in wireshark. Change-Id: Id394edfffa94529f39789844c382b7ab6cc2d814 Reviewed-on: https://code.wireshark.org/review/431 Reviewed-by: Hadriel Kaplan <hadrielk@yahoo.com> Reviewed-by: Michael Mann <mmann78@netscape.net> Reviewed-by: Anders Broman <a.broman58@gmail.com>
2014-03-14Add Lua heuristic dissector supportHadriel Kaplan3-7/+205
This adds the ability for Lua scripts to register heuristic dissectors for any protocol that has registered a heuristic dissector list, such as UDP, TCP, and ~50 others. The Lua function can also establish a conversation tied to its Proto dissector, to avoid having to check the heuristics for the same flow. The example dissector in the testsuite has also been enhanced to include a heuristic dissector, to verify the functionality and provide an example implementation. Change-Id: Ie232602779f43d3418fe8db09c61d5fc0b59597a Reviewed-on: https://code.wireshark.org/review/576 Reviewed-by: Anders Broman <a.broman58@gmail.com>
2014-03-11Fix Bug 9870 'Lua: trying to call/get an invalid name results in a get-loop ↵Hadriel Kaplan2-4/+16
error' Due to the change I made previously for how methods are accessed, if you try to access one that doesn't exist (for example mistype it or whatever), you get an internal Lua error about a loop in table get, as opposed to the right error message about the field not existing. That's because I had set the class' metatable __index metamethod to point to the class table, which of course has the metatable with the __index metamethod, causing a lookup loop. Blech. Change-Id: I20d3717feadd45f652c2640e1671846184e7082d Reviewed-on: https://code.wireshark.org/review/593 Reviewed-by: Alexis La Goutte <alexis.lagoutte@gmail.com> Reviewed-by: Anders Broman <a.broman58@gmail.com>
2014-03-10Add GLib's regex library into LuaHadriel Kaplan7-0/+1446
While Lua's built-in pattern support is ok for simple things, many people end up wanting a real regex engine. Since Wireshark already includes the GLib Regex library (a wrapper for PCRE), it makes sense to expose that library to Lua scripts. This has been done using Lrexlib, one of the most popular regex bindings for Lua. Lrexlib didn't support binding GLib's Regex in particular - it does for PCRE but GLib is a different API - so I've done that. A fairly thorough testsuite came along with that, which has been incorporated into the wireshark wslua testuites as well in this commit. Change-Id: I05811d1edf7af8d7c9f4f081de6850f31c0717c7 Reviewed-on: https://code.wireshark.org/review/332 Reviewed-by: Anders Broman <a.broman58@gmail.com>
2014-02-25Fix bug 6357: Lua all_field_infos() broken within tap/listenerHadriel Kaplan1-3/+70
The current API for Lua provides a global function "all_field_infos()" which returns all the populated field_info nodes in the current proto_tree. By default all_field_infos() "works", in the literal sense: it returns exactly the fields the previous dissectors of the packet have populated at that instant of time. But of course dissectors don't populate all the applicable fields most of the time, because of the TRY_TO_FAKE_THIS_ITEM optimization where they don't fill in things that aren't needed at the time by a display, color, or tap's dfilter. So this commit offers a way to force the dissectors to populate all the applicable field_infos in the tree, by setting the proto_tree to be visible. Obviously that is going to impact performance, since it basically bypasses the TRY_TO_FAKE_THIS_ITEM optimization; so the patch only does this if the Lua script author told it to explicitly, by adding an argument to Listener.new() and register_postdissector(). Change-Id: I11d3559fbe8c14fbadf1b51415a3701dc1200b7b Reviewed-on: https://code.wireshark.org/review/286 Reviewed-by: Alexis La Goutte <alexis.lagoutte@gmail.com>
2014-02-25Adds some Lua helper functions: some commonly used functions, and to help ↵Hadriel Kaplan2-19/+23
troubleshooting Lua scripts There are some common things people need to do, such as convert to/from hex or get the raw binary string in a ByteArray/Tvb/TvbRange. These have been added, as well as some tests for them in the testsuites. Also, functions have been added to allow a script to get all the available tap types and filter fields, since they are not exactly what one can see in the Wireshark gui. Change-Id: I92e5e4eae713bb90d79b0c024eaa4e55b99cc96b Reviewed-on: https://code.wireshark.org/review/249 Reviewed-by: Alexis La Goutte <alexis.lagoutte@gmail.com>
2014-02-24Remove executable bit from a few filesPascal Quantin2-0/+0
Change-Id: Ib9be221e3d325379c8b665ab73d976254bb23bb6 Reviewed-on: https://code.wireshark.org/review/342 Reviewed-by: Pascal Quantin <pascal.quantin@gmail.com>
2014-02-21Fix bug 9790: Lua: wslua allows duplicate field registrationHadriel Kaplan1-0/+566
As discussed in bug 3513 and 9709, one can register more than one new ProtoFields for the same field name. Of course C-code can do that too, and does a LOT apparently, but if they're not similar ftypes then things can get scrweed up in display filters. So this change prevents duplicate field registration of dissimilar ftypes. The similarity is based on the discussion on the mailing list, and the listing in README.developer has been updated to refelect that as well. Also, this change adds a testscript for Proto/ProtoFields. Change-Id: I43bd323f785245941a21289647332a19adec2a9d Reviewed-on: https://code.wireshark.org/review/285 Reviewed-by: Evan Huus <eapache@gmail.com>
2014-02-21Add test suite for verifying Lua global variables/tables of previous ↵Hadriel Kaplan4-0/+2290
releases have not disappeared. Several bugs have been introduced due to changing of perl scripts or #define names, such that things exported into Lua have dissapeared or changed unintentionally. This commit adds a test suite which compares the Lua global table with the ones from previous releases (1.8 and 1.10), to verify nothing has gone missing. New items can be added, but old ones cannot go away. The added script to verify these things, called 'verify_globals.lua', also has the ability to display what's new - i.e., what was not in the olrder releases. Lastly, this commit also fixes a bug: MENU_STAT_ENDPOINT became MENU_STAT_ENDPOINT_LIST due to a change in the make-init-lua.pl perl script in this 1.11 release. Change-Id: Iba143d1a436e706970635a5f8cc2b317955392bf Reviewed-on: https://code.wireshark.org/review/284 Reviewed-by: Evan Huus <eapache@gmail.com> Tested-by: Evan Huus <eapache@gmail.com>
2014-02-21Revert "Add test suite for verifying Lua global variables/tables of previous ↵Evan Huus4-2279/+0
releases have not disappeared." This reverts commit 5b7f00178f45149ecdce204f1c71c1598ceedac1. Change-Id: Idf09d25270847970713b67d02bcd7cbc411a4e9c Reviewed-on: https://code.wireshark.org/review/280 Reviewed-by: Evan Huus <eapache@gmail.com>
2014-02-21Add test suite for verifying Lua global variables/tables of previous ↵Hadriel Kaplan4-0/+2279
releases have not disappeared. Several bugs have been introduced due to changing of perl scripts or #define names, such that things exported into Lua have dissapeared or changed unintentionally. This commit adds a test suite which compares the Lua global table with the ones from previous releases (1.8 and 1.10), to verify nothing has gone missing. New items can be added, but old ones cannot go away. The added script to verify these things, called 'verify_globals.lua', also has the ability to display what's new - i.e., what was not in the olrder releases. Lastly, this commit also fixes a bug: MENU_STAT_ENDPOINT became MENU_STAT_ENDPOINT_LIST due to a change in the make-init-lua.pl perl script in this 1.11 release. Change-Id: Ic46172904256dc535b0fe4543237c07dddb3b9b5 Reviewed-on: https://code.wireshark.org/review/242 Reviewed-by: Evan Huus <eapache@gmail.com>
2014-02-20Add 4 more test scripts for Lua, and its own testsuite menuHadriel Kaplan4-0/+864
This adds test scripts for verifying Pinfo, Address, Field, FieldInfo, NSTime and Listener classes/functions. It also moves Lua test scripts out of unittests and into its own new testsuite. Change-Id: I65c238fd459efb96db3f8f9145842cd038dea7c7 Reviewed-on: https://code.wireshark.org/review/270 Reviewed-by: Alexis La Goutte <alexis.lagoutte@gmail.com> Tested-by: Alexis La Goutte <alexis.lagoutte@gmail.com>
2014-02-14Adds support for Lua struct library so one can pack/unpack binary structuresHadriel Kaplan1-0/+339
This is based on Roberto Ierusalimschy's struct library, along with additional options based on Flemming Madsen's patch to the lua-users mailing list, and some changes I made to support 64-bit integer packing/unpacking. Details are in the top comments for wslua_struct.c. This also includes a test script. Change-Id: Ifcd0116ba013d5c760927721c8d6e9f28965534b Reviewed-on: https://code.wireshark.org/review/98 Reviewed-by: Alexis La Goutte <alexis.lagoutte@gmail.com> Tested-by: Alexis La Goutte <alexis.lagoutte@gmail.com>
2014-02-13Lua: add ability for scripts loaded from command-line to be passed argumentsHadriel Kaplan1-0/+36
This change adds the ability to pass on to lua scripts loaded from the command-line (tshark or wireshark) additional arguments supplied by the command-line. This will help us in our testsuites, but also might be useful for user-created scripts. The additional arguments are passed in using the '-X' eXtension switch. Change-Id: Ib94cdf1ffd194ca84692fee7816665e4ff95efbd Reviewed-on: https://code.wireshark.org/review/156 Reviewed-by: Evan Huus <eapache@gmail.com> Tested-by: Evan Huus <eapache@gmail.com>
2014-02-09Add test suite for Lua dissector-related functionsHadriel Kaplan2-0/+666
This isn't super-fancy, but it runs a simple protocol dissector and verifies the tshark output matches what it expects. Things like Proto, ProtoField, Field, Tvb, TvbRange, etc., are used in an example dissector script - it dissects DNS... partially. Enough to make sure things aren't fundamentally broken. This provides something to add on top of later as well. Change-Id: Icf3c8e9534944bcf4c4f6150f02a9a43f999cd75 Reviewed-on: https://code.wireshark.org/review/126 Reviewed-by: Alexis La Goutte <alexis.lagoutte@gmail.com> Tested-by: Alexis La Goutte <alexis.lagoutte@gmail.com>
2014-02-09Fix bug 9736 'Lua: new Int64/UInt64 functions don't prevent division by zero'Hadriel Kaplan1-15/+51
OK, in all fairness this does a bit more than just fix that bug. It also adds a 'Int64()' and 'UInt64()' __call metamethods. I generally dislike using __call metamethods, because they're often unintuitive (for example the wireshark Field and FielInfo use this in a bizarre fashion). But this happens to be a perfect use for it, and very natural, imho. Another change is to make the metatables of classes visible to scripts. There was never really a good reason not to make them visible, and they have to be visible to do things like use __call on a plain table... not to mention I need them to be visible to run test scripts verifying evrything is kosher. I also updated the test suite to test for the div/mod by zero. Change-Id: Ia4c594c8f59d4e799090716bd032ba2815df032f Reviewed-on: https://code.wireshark.org/review/149 Reviewed-by: Evan Huus <eapache@gmail.com>
2014-02-04Adds support for Lua Int64 and UInt64 operators, functions, and generalHadriel Kaplan1-0/+341
usefulness, working around bug #9162 until Lua 5.3 is released. The existing Int64 and UInt64 classes provide virtually no usefullness, other than for creating a string of their value. While one could then write Lua code to convert the string to Lua numbers and such, ultimately Lua has no native 64-bit integer support, making such a task difficult to handle in Lua. This change adds a host of functions and operators to the existing Int64 (gint64) and UInt64 (guint64) classes, to enable true 64-bit integer support on par with native Lua numbers. A test script is also provided, which tests the functions/operators. Change-Id: I4c5f8f5219b9a88198902283bd32ddf24c346bbe Reviewed-on: https://code.wireshark.org/review/83 Tested-by: Evan Huus <eapache@gmail.com> Reviewed-by: Evan Huus <eapache@gmail.com>
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