Re: How to evaluate hex/ebcdic packet data LUA

[Jerry White <jerrywhite518 () gmail com>]

You, sir, are my new hero. It all works. Thank you!

Jerry

On Sun, Oct 23, 2016 at 11:48 PM, Guy Harris <guy () alum mit edu> wrote:

> That won't work for EBCDIC.
>
> All strings are kept as UTF-8 internally to Wireshark; this means that
> Wireshark translates them from the character encoding in the packet to
> UTF-8, and therefore that Wireshark must be told what the encoding for the
> field is.
>
> Therefore, you should do
>
>         tree:add_packet_field(pf_mgi_flag, tvbuf:range(19,1), ENC_EBCDIC)
>
> to add it to the protocol tree.
>
> To fetch the actual string, you'd need to do
>
>         local mgi_flag = tvbuf:range(19,1)
>         local info_mgi_flag = mgi_flag:string(ENC_EBCDIC)
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