Wireshark · Wireshark-bugs: [Wireshark-bugs] [Bug 8633] New Dissector for Common Address Redundancy Protocol (CARP)

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Martin Kaiser changed bug 8633

What	Removed	Added
Status	UNCONFIRMED	IN_PROGRESS
CC		wireshark@kaiser.cx
Ever confirmed		1

Comment # 2 on bug 8633 from Martin Kaiser

Hi Uli,

thanks for the submission. This looks pretty good already.

Some (minor) review comments:

- please don't use a mixture of TABs and spaces for indenting
- please add editor modelines at the bottom of the file, see e.g.
packet-dvbci.c
- there's no need for check_col() before col_add_fstr()
- you don't need the huge if (tree) statement, the functions you call inside
can
  all handle tree==NULL
- please make the dissector a new-style dissector that returns the number of
bytes it processed (you're counting them already)

Yes, I know that most of these issues exist (and should be cleaned up) in
packet-vvrp.c as well.

The main thing to clarify is how to deal with the conflict between vrrp and
carp.

One approach would be to make both vrrp and carp new-style dissectors who
reject the packet if it's not their protocol. Would it be possible to add
checks that detect a carp packet reliably (e.g. using version, type, min/max
length)?

Best regards,

   Martin

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