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authorMax Laier <mlaier@FreeBSD.org>2007-10-16 02:20:42 +0000
committerMax Laier <mlaier@FreeBSD.org>2007-10-16 02:20:42 +0000
commitb5bfcb5d8ae026769a67b6230c15014efc32f7fe (patch)
tree01f74f6819cfb28636e2f6d04efefacdfecafc5c /contrib/tcpdump/print-chdlc.c
parentfaeb38d111efa1ecad5565f314581e95ce3ac7f8 (diff)
downloadsrc-b5bfcb5d8ae026769a67b6230c15014efc32f7fe.tar.gz
src-b5bfcb5d8ae026769a67b6230c15014efc32f7fe.zip
Import of tcpdump v3.9.8
Notes
Notes: svn path=/vendor/tcpdump/dist/; revision=172683
Diffstat (limited to 'contrib/tcpdump/print-chdlc.c')
-rw-r--r--contrib/tcpdump/print-chdlc.c53
1 files changed, 27 insertions, 26 deletions
diff --git a/contrib/tcpdump/print-chdlc.c b/contrib/tcpdump/print-chdlc.c
index 244119fa0ec6..b7654f5c658b 100644
--- a/contrib/tcpdump/print-chdlc.c
+++ b/contrib/tcpdump/print-chdlc.c
@@ -21,7 +21,7 @@
#ifndef lint
static const char rcsid[] _U_ =
- "@(#) $Header: /tcpdump/master/tcpdump/print-chdlc.c,v 1.32.2.8 2005/08/23 10:29:42 hannes Exp $ (LBL)";
+ "@(#) $Header: /tcpdump/master/tcpdump/print-chdlc.c,v 1.32.2.11 2005/11/29 08:57:10 hannes Exp $ (LBL)";
#endif
#ifdef HAVE_CONFIG_H
@@ -42,6 +42,13 @@ static const char rcsid[] _U_ =
static void chdlc_slarp_print(const u_char *, u_int);
+const struct tok chdlc_cast_values[] = {
+ { CHDLC_UNICAST, "unicast" },
+ { CHDLC_BCAST, "bcast" },
+ { 0, NULL}
+};
+
+
/* Standard CHDLC printer */
u_int
chdlc_if_print(const struct pcap_pkthdr *h, register const u_char *p)
@@ -59,58 +66,52 @@ chdlc_if_print(const struct pcap_pkthdr *h, register const u_char *p)
u_int
chdlc_print(register const u_char *p, u_int length) {
u_int proto;
- const struct ip *ip;
proto = EXTRACT_16BITS(&p[2]);
if (eflag) {
- switch (p[0]) {
- case CHDLC_UNICAST:
- printf("unicast ");
- break;
- case CHDLC_BCAST:
- printf("bcast ");
- break;
- default:
- printf("0x%02x ", p[0]);
- break;
- }
- printf("%d %04x: ", length, proto);
+ printf("%s, ethertype %s (0x%04x), length %u: ",
+ tok2str(chdlc_cast_values, "0x%02x", p[0]),
+ tok2str(ethertype_values, "Unknown", proto),
+ proto,
+ length);
}
length -= CHDLC_HDRLEN;
- ip = (const struct ip *)(p + CHDLC_HDRLEN);
+ p += CHDLC_HDRLEN;
+
switch (proto) {
case ETHERTYPE_IP:
- ip_print(gndo, (const u_char *)ip, length);
+ ip_print(gndo, p, length);
break;
#ifdef INET6
case ETHERTYPE_IPV6:
- ip6_print((const u_char *)ip, length);
+ ip6_print(p, length);
break;
#endif
case CHDLC_TYPE_SLARP:
- chdlc_slarp_print((const u_char *)ip, length);
+ chdlc_slarp_print(p, length);
break;
#if 0
case CHDLC_TYPE_CDP:
- chdlc_cdp_print((const u_char *)ip, length);
+ chdlc_cdp_print(p, length);
break;
#endif
case ETHERTYPE_MPLS:
case ETHERTYPE_MPLS_MULTI:
- mpls_print((const u_char *)(ip), length);
+ mpls_print(p, length);
break;
case ETHERTYPE_ISO:
/* is the fudge byte set ? lets verify by spotting ISO headers */
- if (*(p+CHDLC_HDRLEN+1) == 0x81 ||
- *(p+CHDLC_HDRLEN+1) == 0x82 ||
- *(p+CHDLC_HDRLEN+1) == 0x83)
- isoclns_print(p+CHDLC_HDRLEN+1, length-1, length-1);
+ if (*(p+1) == 0x81 ||
+ *(p+1) == 0x82 ||
+ *(p+1) == 0x83)
+ isoclns_print(p+1, length-1, length-1);
else
- isoclns_print(p+CHDLC_HDRLEN, length, length);
+ isoclns_print(p, length, length);
break;
default:
- printf("unknown CHDLC protocol (0x%04x)", proto);
+ if (!eflag)
+ printf("unknown CHDLC protocol (0x%04x)", proto);
break;
}