BinDecHex.lua: Error - bad argument to module(..., package.seeall);

asked 2018-08-09 03:43:10 +0000

Ken.C
3 ●1 ●2 ●3

updated 2018-08-09 03:43:54 +0000

Hello, I am having trouble setting wireshark to read OMCI package in Ubuntu 18.04. I was trying to use the https://github.com/antran-ptit/omci-w... omci.lua and BinDecHex.lua to read OMCI package, which was suggested by Wireshark contribute wiki (https://wiki.wireshark.org/Contrib).

I tried to copy these two files into the my global wireshark lua folder

/usr/lib/x86_64-linux-gnu/wireshark/plugins

and then adding the line

dofile(DATA_DIR.."omci.lua")

in my init.lua.

While running the omci-example.pcap, I received the following 2 error:

[string "/usr/lib/x8664-linux-gnu/wireshark/plugins/o..."]:43: module 'BinDecHex' not found: no field package.preload['BinDecHex'] no file '/usr/local/share/lua/5.2/BinDecHex.lua' no file '/usr/local/share/lua/5.2/BinDecHex/init.lua' no file '/usr/local/lib/lua/5.2/BinDecHex.lua' no file '/usr/local/lib/lua/5.2/BinDecHex/init.lua' no file '/usr/share/lua/5.2/BinDecHex.lua' no file '/usr/share/lua/5.2/BinDecHex/init.lua' no file './BinDecHex.lua' no file '/usr/local/lib/lua/5.2/BinDecHex.so' no file '/usr/lib/x8664-linux-gnu/lua/5.2/BinDecHex.so' no file '/usr/lib/lua/5.2/BinDecHex.so' no file '/usr/local/lib/lua/5.2/loadall.so' no file './BinDecHex.so'

Lua: Error during loading: [string "/usr/lib/x86_64-linux-gnu/wireshark/plugins/B..."]:53: bad argument #1 to 'module' (string expected, got nil)

Appearently the BinDecHex.lua doesn't recognize the module(...,package.seeall)? Any idea how to solve this problem?

answered 2018-08-09 16:15:38 +0000

cmaynard

11115 ●11 ●317 ●165 https://www.igt.com/

updated 2018-08-10 13:30:23 +0000

First, you don't need to add the dofile(DATA_DIR.."omci.lua") to init.lua.

The 2 Lua files were written long ago and BinDecHex.luarequires at least the following 2 tweaks to work now, which I've made and uploaded back to the https://wiki.wireshark.org/Contrib page.

Change line 53 from:

module(..., package.seeall);

To:

module("BinDecHex", package.seeall);

The module function is deprecated as of Lua 5.2, as mentioned in section 8 of the Lua 5.2 Reference Manual - Incompatibilities with the Previous Version.

And change line 135 from:

for i in string.gfind(s, ".") do

to:

for i in string.gmatch(s, ".") do

Function string.gfind was renamed string.gmatch, as mentioned in section 7.2 of the Lua 5.1 Reference Manual - Changes in the Libraries.

Wireshark currently ships with Lua 5.2.4 (on Windows), so always use the Lua 5.2 Reference Manual when writing or dealing with Lua dissectors.

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Thanks alot! I didn't realize you don't need to add dofile(DATA_DIR.."omci.lua") anymore. Most of all, that module("BinDecHex", package.seeall); was the piece I couldn't figure out. Again, Thanks!

Ken.C ( 2018-08-10 02:21:24 +0000 )edit

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