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Fix bugs in AARP packet handling and fake up a phantom LAP header

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since Ethertalk doesn't actually put one out on the wire.

Submitted by:	Toshihiro Kanda <candy@fct.kgc.co.jp>
This commit is contained in:
Paul Traina 1996-08-19 21:37:18 +00:00
parent 930ecf536c
commit 1249582f6e
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=17690
1 changed files with 10 additions and 3 deletions
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13
contrib/tcpdump/print-atalk.c
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@ -101,9 +101,16 @@ atalk_print(register const u_char *bp, u_int length)
register const struct atShortDDP *sdp;
u_short snet;
#if 0
lp = (struct LAP *)bp;
bp += sizeof(*lp);
length -= sizeof(*lp);
#else
{
static struct LAP lp_ = {0, 0, lapDDP};
lp = &lp_;
}
#endif
switch (lp->type) {
case lapShortDDP:
@ -161,9 +168,9 @@ aarp_print(register const u_char *bp, u_int length)
printf("aarp ");
ap = (const struct aarp *)bp;
if (ap->htype == 1 && ap->ptype == ETHERTYPE_ATALK &&
if (ntohs(ap->htype) == 1 && ntohs(ap->ptype) == ETHERTYPE_ATALK &&
ap->halen == 6 && ap->palen == 4 )
switch (ap->op) {
switch (ntohs(ap->op)) {
case 1: /* request */
(void)printf("who-has %s tell %s",
@ -172,7 +179,7 @@ aarp_print(register const u_char *bp, u_int length)
case 2: /* response */
(void)printf("reply %s is-at %s",
AT(pdaddr), etheraddr_string(ap->hdaddr));
AT(psaddr), etheraddr_string(ap->hsaddr));
return;
case 3: /* probe (oy!) */