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2015-11-09Call the dumper routine to finish write a file the "finish" routine.Guy Harris1-1/+1
It doesn't actually *close* any handle, so it's best called a "finish" routine rather than a "close" routine. In libwiretap modules, don't bother setting the finish routine pointer to null - it's already initialized to null (it's probably best not to require modules to set it). Change-Id: I19554f3fb826db495f17b36600ae36222cbc21b0 Reviewed-on: https://code.wireshark.org/review/11659 Reviewed-by: Guy Harris <guy@alum.mit.edu>
2015-10-05wslua: fix crash when a LUA error is raised in TRY blockPeter Wu1-0/+20
The dissect_tcp_pdus function in LUA is passed two LUA functions that get the PDU length and the dissect a PDU. When one of these functions fail, a longjmp is made to the the caller of lua_pcall. This is no problem for the PDU length function, but the PDU dissect function is wrapped in a TRY/CATCH/ENDTRY block which also uses longjmp and need to be fully executed. Without doing so, LUA exceptions will crash on a weird location (except_pop). Fix the crash by not using luaL_error, but throw dissector errors which properly breaks out of the tcp_dissect_pdus C function and then convert it to a LUA error such that the dissector can handle it. Test with `tshark -X lua_script:crash.lua -r ssl.pcap`: trivial_proto = Proto("trivial", "Trivial Protocol") function dissect_foo(tvb, pinfo, tree) error("triggering a LUA error"); end function get_pdu_len(tvb, pinfo, tree) return 5; end function trivial_proto.dissector(tvb, pinfo, tree) dissect_tcp_pdus(tvb, tree, 5, get_pdu_len, dissect_foo) end tcp_table = DissectorTable.get("tcp.port") tcp_table:add(443, trivial_proto) It should not crash and will print this: Lua Error: dissect_tcp_pdus dissect_func: [string "crash.lua"]:3: triggering a LUA error Change-Id: Ibd079cc5eb3a2e4d2e62ea49a512fa2cc8e561ea Reviewed-on: https://code.wireshark.org/review/10685 Petri-Dish: Peter Wu <peter@lekensteyn.nl> Tested-by: Petri Dish Buildbot <buildbot-no-reply@wireshark.org> Reviewed-by: Peter Wu <peter@lekensteyn.nl> Reviewed-by: Evan Huus <eapache@gmail.com>
2015-08-11Added Reload Lua plugins.Stig Bjørlykke1-2/+15
This is initial support for reloading Lua plugins without restarting the application. Still todo: - Deregister FileHandlers - Support deregister ProtoField with existing abbrev (same_name_hfinfo) - Add a progress dialog when reloading many plugins - Search for memory leakages in wslua functions Change-Id: I48870d8741251705ca15ffe1068613fcb0cb18c1 Reviewed-on: https://code.wireshark.org/review/5028 Reviewed-by: Stig Bjørlykke <stig@bjorlykke.org>
2015-07-23Lua: add plugin version infoHadriel Kaplan1-0/+3
Expose a "set_plugin_info" global function to set the Lua plugin's version information. Also, put info about Lua scripts loaded from the command-line into the help output, not just for scripts loaded from plugin direvtories. Bug: 11315 Change-Id: I8bc425ed1ed0dfdc1d05178754f44d44e0b209b5 Reviewed-on: https://code.wireshark.org/review/9593 Petri-Dish: Hadriel Kaplan <hadrielk@yahoo.com> Tested-by: Petri Dish Buildbot <buildbot-no-reply@wireshark.org> Reviewed-by: Anders Broman <a.broman58@gmail.com>
2015-07-12Lua: split up wslua files into class-based filesHadriel Kaplan1-0/+1
The size of some of the wslua source files has grown large, and it's hard to quickly find things. So split them up based on class name, as much as seems reasonable. Also have the make-wsluarm.pl Perl script handle this. Change-Id: Ib495ec5c2a4df90495c0a05504856288a0b09213 Reviewed-on: https://code.wireshark.org/review/9579 Petri-Dish: Hadriel Kaplan <hadrielk@yahoo.com> Tested-by: Petri Dish Buildbot <buildbot-no-reply@wireshark.org> Reviewed-by: Hadriel Kaplan <hadrielk@yahoo.com>
2015-07-09Lua: add functions for more field informationHadriel Kaplan1-4/+5
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>
2015-07-07Qt: Add initial Lua support.Gerald Combs1-1/+1
Add a FunnelStatistics class, which is the main interface between the Qt UI and the Funnel API. Add FunnelTextDialog, which implements the text_window, ProgDlg, menu, and other routines. Add FunnelStringDialog, which implements dlg_new. We currently only support "Tools" menu items (MENU_TOOLS_UNSORTED, aka REGISTER_TOOLS_GROUP_UNSORTED). Add a disabled placeholder to the "Tools" menu in case we don't load any scripts. Use "struct progdlg" instead of needlessly casting to funnel_progress_window_t. To do: - Add support for MENU_STAT_UNSORTED, MENU_STAT_GENERIC, etc. - Make the firewall config generator a Lua script? - Add FunnelGraphDialog? It seems like it would be useful to make QCustomPlot accessible to Lua scripts. Ping-Bug: 9845 Change-Id: Iefff02e9032ed1853666f7902509ed08b431e7a7 Reviewed-on: https://code.wireshark.org/review/9523 Petri-Dish: Gerald Combs <gerald@wireshark.org> Tested-by: Petri Dish Buildbot <buildbot-no-reply@wireshark.org> Reviewed-by: Gerald Combs <gerald@wireshark.org>
2015-02-13wslua*: Add editor modelines; Fix indentation, etc as needed.Bill Meier1-1/+14
Change-Id: I6df5d46f4b263104aa9cb6353cc987087cdb867e Reviewed-on: https://code.wireshark.org/review/7102 Reviewed-by: Bill Meier <wmeier@newsguy.com>
2015-01-27Lua: Expose tcp_dissect_pdus() to LuaHadriel Kaplan1-0/+4
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>
2015-01-23Use luaL_{check,opt}integer() rather than luaL_{check,opt}int().Guy Harris1-5/+5
Lua prior to 5.3 defined luaL_{check,opt}int() as macros wrapping luaL_{check,opt}integer() with a cast to int; Lua 5.3 doesn't. It sounds as if the Lua developers are deprecating luaL_{check,opt}int(): http://osdir.com/ml/general/2014-10/msg46568.html Change-Id: I2d0b649dcd57ede124f31d39f7945f342ae9b18f Reviewed-on: https://code.wireshark.org/review/6744 Petri-Dish: Guy Harris <guy@alum.mit.edu> Reviewed-by: Guy Harris <guy@alum.mit.edu> Reviewed-by: Hadriel Kaplan <hadrielk@yahoo.com> Petri-Dish: Hadriel Kaplan <hadrielk@yahoo.com> Tested-by: Petri Dish Buildbot <buildbot-no-reply@wireshark.org> Tested-by: Hadriel Kaplan <hadrielk@yahoo.com>
2015-01-04Lua: replace proto_tree_add_text callsHadriel Kaplan1-0/+1
Replace proto_tree_add_text() calls in Lua API code, to use Lua-specific hfinfo items. Bug: 10828 Change-Id: I9b5899106502a9bdbc748b5ec0f27b787d374562 Reviewed-on: https://code.wireshark.org/review/6296 Reviewed-by: Hadriel Kaplan <hadrielk@yahoo.com> Petri-Dish: Hadriel Kaplan <hadrielk@yahoo.com> Tested-by: Petri Dish Buildbot <buildbot-no-reply@wireshark.org> Reviewed-by: Alexis La Goutte <alexis.lagoutte@gmail.com>
2014-11-04Lua: Register dissectors only once.Stig Bjørlykke1-0/+1
Change-Id: I883e8560e9d101d34760d09715255e4fccc9eb98 Reviewed-on: https://code.wireshark.org/review/5022 Reviewed-by: Hadriel Kaplan <hadrielk@yahoo.com> Reviewed-by: Stig Bjørlykke <stig@bjorlykke.org> Tested-by: Stig Bjørlykke <stig@bjorlykke.org>
2014-10-17Don't use <ctype.h> macros, and eliminate an include of <ctype.h>.Guy Harris1-1/+0
This avoids locale-dependent tests. Change-Id: I709ff6b1a837fb0390b29f911d3b9ef1015a2d1e Reviewed-on: https://code.wireshark.org/review/4758 Reviewed-by: Guy Harris <guy@alum.mit.edu>
2014-05-09Revert "Refactor Wiretap"Guy Harris1-5/+5
This reverts commit 1abeb277f5e6bd27fbaebfecc8184e37ba9d008a. This isn't building, and looks as if it requires significant work to fix. Change-Id: I622b1bb243e353e874883a302ab419532b7601f2 Reviewed-on: https://code.wireshark.org/review/1568 Reviewed-by: Guy Harris <guy@alum.mit.edu>
2014-05-09Refactor WiretapMichael Mann1-5/+5
Start of refactoring Wiretap and breaking structures down into "generally useful fields for dissection" and "capture specific". Since this in intended as a "base" for Wiretap and Filetap, the "wft" prefix is used for "common" functionality. The "architectural" changes can be found in cfile.h, wtap.h, wtap-int.h and (new file) wftap-int.h. Most of the other (painstaking) changes were really just the result of compiling those new architecture changes. bug:9607 Change-Id: Ife858a61760d7a8a03be073546c0e7e582cab2ae Reviewed-on: https://code.wireshark.org/review/1485 Reviewed-by: Michael Mann <mmann78@netscape.net>
2014-03-28Allow chained calls with Lua TreeItem functions, and fix a couple of minor ↵Hadriel Kaplan1-0/+3
errors. A common Lua idiom is to use chained calls, i.e. tree:foo():bar():choo(). This actually works for tree:add() because it returns the new child tree item which is then the one being applied to the next chained call. But it doesn't work beyond that for things like set_generated() and so on. So this commit fixes that. This also fixes the Lua tree:add() function for the FT_BOOL type to let it be a Lua boolean value. And it reverts a previous change to Struct.tohex() to allow coercion of the argument. Change-Id: I10f819d363163914ba320c87d4bedebe5b50cacf Reviewed-on: https://code.wireshark.org/review/851 Reviewed-by: Anders Broman <a.broman58@gmail.com>
2014-03-26Add various functions for Lua directory handling and path infoHadriel Kaplan1-0/+2
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 Kaplan1-0/+13
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/+2
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>
2014-03-21Fix Bug 9903: 'Clicking reload-file ignores selected file format reader'Hadriel Kaplan1-3/+5
There's a relatively new feature in 1.11.3 to select a specific file format reader, instead of relying on magics or heuristics. If you select a file reader and open a file, open it, and then click the reload-file button or go to View->Reload or press the ctrl-R keymap, the file is reloaded but using the magic/heuristics again instead of the file format reader you previously chose. Likewise, the Lua relaod() function has the same issue (which is how I found this problem). I have tested this change by hand, using a Lua script, but I didn't add it to the testsuite because I need another change for my test script to work correctly. (an enhancement rather than a bug fix, which I'll submit separately) Change-Id: I48c2d9ea443e37fd9d41be43d6b6cd5a866d5b01 Reviewed-on: https://code.wireshark.org/review/764 Reviewed-by: Anders Broman <a.broman58@gmail.com>
2014-03-19Add capture file reader/writer support for Lua so scripts can implement new ↵Michael Mann1-7/+94
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 Kaplan1-0/+4
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 Kaplan1-3/+3
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 Kaplan1-0/+1
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>
2014-03-04Remove 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>
2014-02-27Fix build with recent lua changes.Evan Huus1-12/+12
Use FT_NONE instead of 0 to initialize an enum. Drop use of lround/llround since they are not available on Windows. Change-Id: I3961c1921304bafc090c763f0d6de8532f0b3510 Reviewed-on: https://code.wireshark.org/review/425 Reviewed-by: Evan Huus <eapache@gmail.com>
2014-02-27Fix coverity warnings for all wslua files. (redux)Hadriel Kaplan1-9/+44
This fixes/addresses all the coverity warnings shown by the buildbots. (I hope) Change-Id: Ic2722df97c577d274e3cf3f0cbdca1902edde047 Reviewed-on: https://code.wireshark.org/review/423 Reviewed-by: Gerald Combs <gerald@wireshark.org>
2014-02-25Fix bug 6357: Lua all_field_infos() broken within tap/listenerHadriel Kaplan1-0/+1
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 Kaplan1-0/+3
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>
2014-02-25Remove trailing whitespaceBill Meier1-8/+8
Change-Id: I8116f63ff88687c8db3fd6e8e23b22ab2f759af0 Reviewed-on: https://code.wireshark.org/review/385 Reviewed-by: Bill Meier <wmeier@newsguy.com> Tested-by: Bill Meier <wmeier@newsguy.com>
2014-02-21Cleanup on aisle 5: normalizes the Lua code to follow common schema/modelHadriel Kaplan1-27/+117
Over time the various wslua classes/functions have gotten moldy, with different ways of doing similar things. Some of it can't be changed without breaking backwards compatibility for Lua scripts, so I didn't do that. But I did what I could. The biggest change is a refactoring of how accessors/attributes are handled in the code, so that most of them work the same way using the same code. Specific changes made: * Added null/expired checking macro to class declarations for many classes * Removed extraneous pointer/expired checking, since checkFoo() does that already * Fixed "errors" reported by clang static analyzer; they were false positives, but it was easier to get it to stop complaining by changing the code * Moved internal wslua functions from wslua_utils.c into a new 'wslua_internals.c' file * Changed Listener/NSTime/Pinfo/Proto to use a common setter/getter accessor/attribute code model, instead of each of them doing their own * Fixed some API doc mistakes, mostly around attributes that were documented as read-only but were actually read-write Change-Id: Idddafc5fbd3545ebff29e063acc767e1c743a1a9 Reviewed-on: https://code.wireshark.org/review/271 Reviewed-by: Evan Huus <eapache@gmail.com> Tested-by: Evan Huus <eapache@gmail.com>
2014-02-14Adds support for Lua struct library so one can pack/unpack binary structuresHadriel Kaplan1-0/+6
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>
2014-02-09Fix bug 9736 'Lua: new Int64/UInt64 functions don't prevent division by zero'Hadriel Kaplan1-5/+2
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 Kaplan1-6/+10
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>
2014-01-13In a source file that defines external functions, the header file thatGuy Harris1-2/+0
declares the functions must be included, in order to make sure the declarations match the function signature. Make it so - which means creating the header file in the first place. That means luaopen_bit() doesn't need to, and shouldn't be, declared in wslua.h. Have make-reg.pl generate a #include of lua_bitop.h. Also fix the "this is autogenerated" warning. svn path=/trunk/; revision=54725
2014-01-07Added expired handling to FieldInfo.Stig Bjørlykke1-1/+8
This avoids using free'd pointers (which leads to crash) when assigning FieldInfos to global variables. svn path=/trunk/; revision=54623
2013-12-22Avoid including definition of column_info structure in dissectors.Jakub Zawadzki1-0/+1
Move COL_* enum to <epan/column-utils.h> XXX Later we can rename epan/column-info.h to column-int.h (or smth like this) svn path=/trunk/; revision=54352
2013-12-21Fix buildbot: ./wslua_util.c:102: warning: implicit declaration of function ↵Jakub Zawadzki1-0/+1
'rel_time_to_ep_str' svn path=/trunk/; revision=54335
2013-12-19Renamed new_TvbRange to push_TvbRange and use this when creating a newStig Bjørlykke1-0/+1
TvbRange from a FieldInfo. This should fix the crash in bug #9483. svn path=/trunk/; revision=54247
2013-12-03missing stdlib.h include for wslua.Jakub Zawadzki1-0/+1
svn path=/trunk/; revision=53771
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
2013-10-23Add Lua cleanup on shutdown, to help with memory leak detection. Bug 5575 ↵Michael Mann1-0/+1
(https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=5575) From Robert G. Jakabosky From me: cleanup so that it applies to trunk. svn path=/trunk/; revision=52798
2013-10-22Cannot define Field refering ProtoField defined in LUA. Bug 3513 ↵Michael Mann1-0/+2
(https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=3513) When a new Field is created, does as following: * Check whether that field is registered, by using `proto_registrar_get_byname`. This is current behavior. * (patched) If not registered, check whether that field is defined in LUA and will be registered. This is performed in `wslua_is_field_available` accessing LUA context. * If not, an error "a field with this name must exist" occurs. svn path=/trunk/; revision=52771
2013-09-13Explicit inclusion of emem.hJörg Mayer1-1/+0
svn path=/trunk/; revision=52000
2013-09-07Added support for a "prefs_change" function in Lua scripts, which is calledStig Bjørlykke1-1/+2
when the preferences for the dissector are changed. This is not a 100% correct implementation at the time because the prefs_changed function in all Lua plugins will be called whenever a preference in a single Lua plugin is changed. svn path=/trunk/; revision=51818
2013-07-15Move report_err.{h,c} from epan into wsutil: there's nothing epan-specific ↵Jeff Morriss1-2/+5
there and moving it avoids having to recompile the file for use in editcap and capinfos (which don't link against libwireshark). svn path=/trunk/; revision=50598
2013-06-25Move a couple of time-related modules into wsutil.Jeff Morriss1-1/+1
A bunch of files didn't really need to include these header files so remove the include line rather than changing it. svn path=/trunk/; revision=50154
2013-03-24Squelch some "casting away constness" warnings.Guy Harris1-1/+1
svn path=/trunk/; revision=48542
2013-03-14From beroset:Anders Broman1-3/+3
made implicit casts explicit and changed a number of fields and function return values from base_display_e to unsigned because the enum was not a comprehensive list of all possible values https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=8416 svn path=/trunk/; revision=48289
2013-02-27Move show_exception() and show_reported_bounds_error() toGuy Harris1-1/+0
epan/show_exception.c, as it's used outside epan/dissectors/packet-frame.c. Update their callers to include <epan/show_exception.h> to get their declaration. Add a CATCH_NONFATAL_ERRORS macro that catches all exceptions that, if there's more stuff in the packet to dissect after the dissector call that threw the exception, doesn't mean you shouldn't go ahead and dissect that stuff. Use it in all those cases, including ones where BoundsError was inappropriately being caught (you want those passed up to the top level, so that the packet is reported as having been cut short in the capture process). Add a CATCH_BOUNDS_ERRORS macro that catches all exceptions that correspond to running past the end of the data for a tvbuff; use it rather than explicitly catching those exceptions individually, and rather than just catching all exceptions (the only place that DissectorError should be caught, for example, is at the top level, so dissector bugs show up in the protocol tree). Don't catch and then immediately rethrow exceptions without doing anything else; just let the exceptions go up to the final catcher. Use show_exception() to report non-fatal errors, rather than doing it yourself. If a dissector is called from Lua, catch all non-fatal errors and use show_exception() to report them rather than catching only ReportedBoundsError and adding a proto_malformed item. Don't catch exceptions when constructing a trailer tvbuff in packet-ieee8023.c - just construct it after the payload has been dissected, and let whatever exceptions that throws be handled at the top level. Avoid some TRY/CATCH/ENDTRY cases by using checks such as tvb_bytes_exist() before even looking in the tvbuff. svn path=/trunk/; revision=47924
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