X-Git-Url: https://git.tcpdump.org/tcpdump/blobdiff_plain/3824a6c0417a551961d1a1bf4f94f10eff736afc..4fe64c9d253007f06b52c6d8be2c99bfc28f989b:/print-null.c

diff --git a/print-null.c b/print-null.c
index 831f79c6..6de6d489 100644
--- a/print-null.c
+++ b/print-null.c
@@ -19,6 +19,10 @@
  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
  */
 
+#ifndef lint
+static const char rcsid[] _U_ =
+    "@(#) $Header: /tcpdump/master/tcpdump/print-null.c,v 1.56 2005-07-07 01:22:19 guy Exp $ (LBL)";
+#endif
 
 #ifdef HAVE_CONFIG_H
 #include "config.h"
@@ -33,10 +37,6 @@
 #include "interface.h"
 #include "addrtoname.h"
 
-#ifndef lint
-static const char rcsid[] _U_ =
-    "@(#) $Header: /tcpdump/master/tcpdump/print-null.c,v 1.50 2003-11-15 00:39:34 guy Exp $ (LBL)";
-#endif
 #include "ip.h"
 #ifdef INET6
 #include "ip6.h"
@@ -70,49 +70,18 @@ static const char rcsid[] _U_ =
 #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;
+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}
+};
 
-		case BSD_AF_IPX:
-			printf("ipx ");
-			break;
-
-		default:
-			printf("AF %u ", family);
-			break;
-		}
-	}
-	printf("%d: ", length);
-}
 
 /*
  * Byte-swap a 32-bit number.
@@ -122,10 +91,24 @@ 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
@@ -153,17 +136,17 @@ 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);
+		ip_print(gndo, p, length);
 		break;
 
 #ifdef INET6
@@ -189,11 +172,17 @@ null_if_print(const struct pcap_pkthdr *h, const u_char *p)
 	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:
+ */