#ifndef lint
static const char rcsid[] _U_ =
- "@(#) $Header: /tcpdump/master/tcpdump/print-null.c,v 1.54 2005-05-18 13:50:52 hannes Exp $ (LBL)";
+ "@(#) $Header: /tcpdump/master/tcpdump/print-null.c,v 1.57 2006-03-23 14:58:44 hannes Exp $ (LBL)";
#endif
#ifdef HAVE_CONFIG_H
#ifdef INET6
#include "ip6.h"
#endif
+#include "af.h"
/*
* The DLT_NULL packet header is 4 bytes long. It contains a host-byte-order
*/
#define NULL_HDRLEN 4
-/*
- * BSD AF_ values.
- *
- * Unfortunately, the BSDs don't all use the same value for AF_INET6,
- * so, because we want to be able to read captures from all of the BSDs,
- * we check for all of them.
- */
-#define BSD_AF_INET 2
-#define BSD_AF_NS 6 /* XEROX NS protocols */
-#define BSD_AF_ISO 7
-#define BSD_AF_APPLETALK 16
-#define BSD_AF_IPX 23
-#define BSD_AF_INET6_BSD 24 /* OpenBSD (and probably NetBSD), BSD/OS */
-#define BSD_AF_INET6_FREEBSD 28
-#define BSD_AF_INET6_DARWIN 30
-
-const struct tok bsd_af_values[] = {
- { BSD_AF_INET, "IPv4" },
- { BSD_AF_NS, "NS" },
- { BSD_AF_ISO, "ISO" },
- { BSD_AF_APPLETALK, "Appletalk" },
- { BSD_AF_IPX, "IPX" },
- { BSD_AF_INET6_BSD, "IPv6" },
- { BSD_AF_INET6_FREEBSD, "IPv6" },
- { BSD_AF_INET6_DARWIN, "IPv6" },
- { 0, NULL}
-};
-
-
/*
* Byte-swap a 32-bit number.
* ("htonl()" or "ntohl()" won't work - we want to byte-swap even on
#define SWAPLONG(y) \
((((y)&0xff)<<24) | (((y)&0xff00)<<8) | (((y)&0xff0000)>>8) | (((y)>>24)&0xff))
+static inline void
+null_hdr_print(u_int family, u_int length)
+{
+ if (!qflag) {
+ (void)printf("AF %s (%u)",
+ tok2str(bsd_af_values,"Unknown",family),family);
+ } else {
+ (void)printf("%s",
+ tok2str(bsd_af_values,"Unknown AF %u",family));
+ }
+
+ (void)printf(", length %u: ", length);
+}
+
/*
* This is the top level routine of the printer. 'p' points
* to the ether header of the packet, 'h->ts' is the timestamp,
if ((family & 0xFFFF0000) != 0)
family = SWAPLONG(family);
+ if (eflag)
+ null_hdr_print(family, length);
+
length -= NULL_HDRLEN;
caplen -= NULL_HDRLEN;
p += NULL_HDRLEN;
- if (eflag)
- printf("AF %s (%u)",tok2str(bsd_af_values,"Unknown",family),family);
-
switch (family) {
- case BSD_AF_INET:
- ip_print(gndo, p, length);
+ case BSD_AFNUM_INET:
+ ip_print(gndo, p, length);
break;
#ifdef INET6
- case BSD_AF_INET6_BSD:
- case BSD_AF_INET6_FREEBSD:
- case BSD_AF_INET6_DARWIN:
+ case BSD_AFNUM_INET6_BSD:
+ case BSD_AFNUM_INET6_FREEBSD:
+ case BSD_AFNUM_INET6_DARWIN:
ip6_print(p, length);
break;
#endif
- case BSD_AF_ISO:
+ case BSD_AFNUM_ISO:
isoclns_print(p, length, caplen);
break;
- case BSD_AF_APPLETALK:
+ case BSD_AFNUM_APPLETALK:
atalk_print(p, length);
break;
- case BSD_AF_IPX:
+ case BSD_AFNUM_IPX:
ipx_print(p, length);
break;
default:
/* unknown AF_ value */
- if (!xflag && !qflag)
+ if (!eflag)
+ null_hdr_print(family, length + NULL_HDRLEN);
+ if (!suppress_default_print)
default_print(p, caplen);
}