On Wed, Nov 21, 2001 at 11:54:16AM +0100, Heinz-Ado Arnolds wrote:
> I have done some changes to tcpdump-3.6.2 mainly to print IPX packets
> more verbose than in the original distribution. The changes are:
>
> - created a new hash table for the names of IPX service types
> (ipxsaptable[]) loaded from ipxsap_db[] and initialized by
> init_ipxsaparray() in addrtoname.c
> - print the names for service numbers in IPX packets in print-ipx.c
> (function ipxsap_string())
> - print the Novell names of protocols of IPX packets ("(NOV-ETHII) ",
> "(NOV-802.3) ", "(NOV-802.2) ") in print-ether.c and print-llc.c
> - show the service(port) number in IPX packets with 4 digits fixed
> (adjusted format strings in print-ipx.c)
> - show the net in IPX packets with 8 digits fixed
> (adjusted format string in print-ipx.c)
> - mark 802.3 MAC headers ("802.3: ") in print-ether.c
I've put
- created a new hash table for the names of IPX service types
(ipxsaptable[]) loaded from ipxsap_db[] and initialized by
init_ipxsaparray() in addrtoname.c
- print the names for service numbers in IPX packets in print-ipx.c
(function ipxsap_string())
- show the service(port) number in IPX packets with 4 digits fixed
(adjusted format strings in print-ipx.c)
- show the net in IPX packets with 8 digits fixed
(adjusted format string in print-ipx.c)
into the current CVS code, with some changes.
The
- print the Novell names of protocols of IPX packets ("(NOV-ETHII) ",
"(NOV-802.3) ", "(NOV-802.2) ") in print-ether.c and print-llc.c
seems reasonable, for IPX packets; I'll look at that one as well.
I'm not sure whether we'd want to do
- mark 802.3 MAC headers ("802.3: ") in print-ether.c
though. Is there a need to distinguish between 802.3 and D/I/X Ethernet
packets in that case, as per
> diff -ur tcpdump-3.6.2.orig/print-ether.c tcpdump-3.6.2/print-ether.c
> --- tcpdump-3.6.2.orig/print-ether.c Fri Dec 22 23:45:10 2000
> +++ tcpdump-3.6.2/print-ether.c Wed Nov 21 10:20:07 2001
> @@ -112,6 +112,7 @@
> */
> extracted_ethertype = 0;
> if (ether_type <= ETHERMTU) {
> + printf("802.3: ");
> /* Try to print the LLC-layer header & higher layers */
> if (llc_print(p, length, caplen, ESRC(ep), EDST(ep),
> &extracted_ethertype) == 0) {
printing "802.3:" before the LLC header? Or is it sufficient to see the
LLC header?
-
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