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simplify initial OSI processing

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This commit is contained in:
hannes 2002-10-05 11:10:56 +00:00
parent 4e59667ff4
commit 7183dee63b
1 changed files with 12 additions and 32 deletions
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44
print-isoclns.c
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@ -26,7 +26,7 @@
#ifndef lint
static const char rcsid[] =
"@(#) $Header: /tcpdump/master/tcpdump/print-isoclns.c,v 1.63 2002-10-03 16:00:34 hannes Exp $ (LBL)";
"@(#) $Header: /tcpdump/master/tcpdump/print-isoclns.c,v 1.64 2002-10-05 11:10:56 hannes Exp $ (LBL)";
#endif
#ifdef HAVE_CONFIG_H
@ -478,58 +478,38 @@ void isoclns_print(const u_char *p, u_int length, u_int caplen,
header = (const struct isis_common_header *)p;
pdu_type = header->pdu_type & PDU_TYPE_MASK;
if (caplen < 1) {
printf("[|iso-clns] ");
if (!eflag && esrc != NULL && edst != NULL)
printf("%s > %s",
etheraddr_string(esrc),
etheraddr_string(edst));
return;
}
printf("%sOSI", caplen < 1 ? "|" : "");
if (!eflag && esrc != NULL && edst != NULL)
(void)printf(" %s > %s, ",
etheraddr_string(esrc),
etheraddr_string(edst));
if (caplen < 1) /* enough bytes on the wire ? */
return;
switch (*p) {
case NLPID_CLNS:
(void)printf("CLNS, length: %u", length);
if (!eflag && esrc != NULL && edst != NULL)
(void)printf(", %s > %s",
etheraddr_string(esrc),
etheraddr_string(edst));
break;
case NLPID_ESIS:
if (!eflag && esrc != NULL && edst != NULL)
(void)printf("%s > %s, ",
etheraddr_string(esrc),
etheraddr_string(edst));
esis_print(p, length);
return;
case NLPID_ISIS:
if (!eflag && esrc != NULL && edst != NULL)
(void)printf("%s > %s, ",
etheraddr_string(esrc),
etheraddr_string(edst));
if (!isis_print(p, length))
default_print_unaligned(p, caplen);
print_unknown_data(p,"\n\t",caplen);
break;
case NLPID_NULLNS:
(void)printf("ISO NULLNS, length: %u", length);
if (!eflag && esrc != NULL && edst != NULL)
(void)printf(", %s > %s",
etheraddr_string(esrc),
etheraddr_string(edst));
break;
default:
(void)printf("CLNS 0x%02x, length: %u", p[0], length);
if (!eflag && esrc != NULL && edst != NULL)
(void)printf(", %s > %s",
etheraddr_string(esrc),
etheraddr_string(edst));
(void)printf("Unknown NLPID 0x%02x, length: %u", p[0], length);
if (caplen > 1)
default_print_unaligned(p, caplen);
print_unknown_data(p,"\n\t",caplen);
break;
}
}