Lua dissector for custom PcapNG blocks

lua
dissector
pcapng

asked 2025-11-07 15:04:49 +0000

Antón
1 ●1

It seems it is possible to register dissectors in C for custom PcapNG blocks based on PEN numbers. I am trying to implement a dissector purely based on Lua code for this same purpose but I am unable to find a way to register my dissector.

Does Wireshark support this? Thanks,

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Comments

Have you looked at the pcapng_custom_block table?
packet-bblog.c:

dissector_add_uint("pcapng_custom_block", PEN_NFLX, bblog_handle);

Chuckc ( 2025-11-07 18:32:45 +0000 )edit

Thanks @Chuckc, that works. Lua syntax would be:

table = DissectorTable.get("pcapng_custom_block")
table:add(PEN_NUMBER, my_proto)

Antón ( 2025-11-08 10:48:16 +0000 )edit

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Lua dissector for custom PcapNG blocks

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