X-Git-Url: https://git.tcpdump.org/tcpdump/blobdiff_plain/8f94d68a09e1103353cc7d1133d6dfdf7d5a920d..0ba2f9c718eb3272153cba85db2912b1ad853e6f:/print-null.c

diff --git a/print-null.c b/print-null.c
index f0c246d6..8eabe5dd 100644
--- a/print-null.c
+++ b/print-null.c
@@ -20,8 +20,8 @@
  */
 
 #ifndef lint
-static const char rcsid[] =
-    "@(#) $Header: /tcpdump/master/tcpdump/print-null.c,v 1.49 2003-05-22 16:52:38 hannes Exp $ (LBL)";
+static const char rcsid[] _U_ =
+    "@(#) $Header: /tcpdump/master/tcpdump/print-null.c,v 1.57 2006-03-23 14:58:44 hannes Exp $ (LBL)";
 #endif
 
 #ifdef HAVE_CONFIG_H
@@ -41,6 +41,7 @@ static const char rcsid[] =
 #ifdef INET6
 #include "ip6.h"
 #endif
+#include "af.h"
 
 /*
  * The DLT_NULL packet header is 4 bytes long. It contains a host-byte-order
@@ -54,66 +55,6 @@ static const char rcsid[] =
  */
 #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
-
-static void
-null_print(u_int family, u_int length)
-{
-	if (nflag)
-		printf("AF %u ", family);
-	else {
-		switch (family) {
-
-		case BSD_AF_INET:
-			printf("ip ");
-			break;
-
-#ifdef INET6
-		case BSD_AF_INET6_BSD:
-		case BSD_AF_INET6_FREEBSD:
-		case BSD_AF_INET6_DARWIN:
-			printf("ip6 ");
-			break;
-#endif
-
-		case BSD_AF_NS:
-			printf("ns ");
-			break;
-
-		case BSD_AF_ISO:
-			printf("osi ");
-			break;
-
-		case BSD_AF_APPLETALK:
-			printf("atalk ");
-			break;
-
-		case BSD_AF_IPX:
-			printf("ipx ");
-			break;
-
-		default:
-			printf("AF %u ", family);
-			break;
-		}
-	}
-	printf("%d: ", length);
-}
-
 /*
  * Byte-swap a 32-bit number.
  * ("htonl()" or "ntohl()" won't work - we want to byte-swap even on
@@ -122,10 +63,24 @@ null_print(u_int family, u_int length)
 #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,
- * 'h->length' is the length of the packet off the wire, and 'h->caplen'
+ * 'h->len' is the length of the packet off the wire, and 'h->caplen'
  * is the number of bytes actually captured.
  */
 u_int
@@ -153,47 +108,53 @@ null_if_print(const struct pcap_pkthdr *h, const u_char *p)
 	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)
-		null_print(family, length);
-
 	switch (family) {
 
-	case BSD_AF_INET:
-		ip_print(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:
-		ip6_print(p, length);
+	case BSD_AFNUM_INET6_BSD:
+	case BSD_AFNUM_INET6_FREEBSD:
+	case BSD_AFNUM_INET6_DARWIN:
+		ip6_print(gndo, 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 (!eflag)
-			null_print(family, length + NULL_HDRLEN);
-		if (!xflag && !qflag)
+			null_hdr_print(family, length + NULL_HDRLEN);
+		if (!suppress_default_print)
 			default_print(p, caplen);
 	}
 
 	return (NULL_HDRLEN);
 }
 
+/*
+ * Local Variables:
+ * c-style: whitesmith
+ * c-basic-offset: 8
+ * End:
+ */