Frank Singleton wrote:
>
> Hi,
>
> Ok, assume you track a dynamic port assignment on
> layer "n".
>
> Traditionally I had code like this in all my dissector layers
> from layer "n" to layer "n+k" where k = 3 in my case.
>
> if (check_col(pinfo->fd, COL_INFO)) {
> if (pi.srcport == TCP_STATIC_PORT_x || pi.destport ==
> TCP_STATIC_PORT_x ) {
> col_add_str(pinfo->fd, COL_INFO, "protocol n ..n+k ");
> }
> .. etc..
> }
>
> This was ok for static port assignment, now I am adding dynamic.
>
> However with dynamic port assignment, the upper layers cannot
> update the COL_INFO fields etc.. with static code like that above.
>
> So how does one go about massaging the upper level code to
> update COL_INFO fields when the ports are unknown until runtime.
>
> Or do I rip out the checks on pi.srcport || pi.destport
> and just do this in the upper layers (blindly).
>
> eg:
> col_add_str(pinfo->fd, COL_INFO, "protocol n+1 ");
>
> Thanks / Frank..
>
> --
> EUS/SV/Z Frank Singleton ASO Americas BSS
> Office : +1 972 583 3251 ECN 800 33251
> Pager : +1 800 651 1184 Email : eusfrsi@xxxxxxxxxxxxxxx
> Amateur Radio: VK3FCS/KM5WS Email : frank.singleton@xxxxxxxxxxxx
>
> Hardware: HP Omnibook 4150 running Redhat Linux 6.2 (2.2.16 kernel).
Oops, dont worry, I answered my own question.. :-)
Cheers / Frank..
--
EUS/SV/Z Frank Singleton ASO Americas BSS
Office : +1 972 583 3251 ECN 800 33251
Pager : +1 800 651 1184 Email : eusfrsi@xxxxxxxxxxxxxxx
Amateur Radio: VK3FCS/KM5WS Email : frank.singleton@xxxxxxxxxxxx
Hardware: HP Omnibook 4150 running Redhat Linux 6.2 (2.2.16 kernel).