Imported Upstream version 4.3.0upstream/4.3.0

1 files changed, 120 insertions, 0 deletions

diff --git a/print-symantec.c b/print-symantec.c
new file mode 100644
index 0000000..8b4ee38
--- /dev/null
+++ b/print-symantec.c
@@ -0,0 +1,120 @@
+/*
+ * Copyright (c) 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 2000
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that: (1) source code distributions
+ * retain the above copyright notice and this paragraph in its entirety, (2)
+ * distributions including binary code include the above copyright notice and
+ * this paragraph in its entirety in the documentation or other materials
+ * provided with the distribution, and (3) all advertising materials mentioning
+ * features or use of this software display the following acknowledgement:
+ * ``This product includes software developed by the University of California,
+ * Lawrence Berkeley Laboratory and its contributors.'' Neither the name of
+ * the University nor the names of its contributors may be used to endorse
+ * or promote products derived from this software without specific prior
+ * written permission.
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+ */
+#ifndef lint
+static const char rcsid[] _U_ =
+    "@(#) $Header: /tcpdump/master/tcpdump/print-symantec.c,v 1.5 2005-07-07 01:22:21 guy Exp $ (LBL)";
+#endif
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <tcpdump-stdinc.h>
+
+#include <stdio.h>
+#include <pcap.h>
+
+#include "interface.h"
+#include "extract.h"
+#include "addrtoname.h"
+#include "ethertype.h"
+
+#include "ether.h"
+
+struct symantec_header {
+	u_int8_t  stuff1[6];
+	u_int16_t ether_type;
+	u_int8_t  stuff2[36];
+};
+
+static inline void
+symantec_hdr_print(register const u_char *bp, u_int length)
+{
+	register const struct symantec_header *sp;
+	u_int16_t etype;
+
+	sp = (const struct symantec_header *)bp;
+
+	etype = EXTRACT_16BITS(&sp->ether_type);
+	if (!qflag) {
+	        if (etype <= ETHERMTU)
+		          (void)printf("invalid ethertype %u", etype);
+                else 
+		          (void)printf("ethertype %s (0x%04x)",
+				       tok2str(ethertype_values,"Unknown", etype),
+                                       etype);
+        } else {
+                if (etype <= ETHERMTU)
+                          (void)printf("invalid ethertype %u", etype);
+                else 
+                          (void)printf("%s", tok2str(ethertype_values,"Unknown Ethertype (0x%04x)", etype));  
+        }
+
+	(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->len' is the length of the packet off the wire, and 'h->caplen'
+ * is the number of bytes actually captured.
+ */
+u_int
+symantec_if_print(const struct pcap_pkthdr *h, const u_char *p)
+{
+	u_int length = h->len;
+	u_int caplen = h->caplen;
+	struct symantec_header *sp;
+	u_short ether_type;
+
+	if (caplen < sizeof (struct symantec_header)) {
+		printf("[|symantec]");
+		return caplen;
+	}
+
+	if (eflag)
+		symantec_hdr_print(p, length);
+
+	length -= sizeof (struct symantec_header);
+	caplen -= sizeof (struct symantec_header);
+	sp = (struct symantec_header *)p;
+	p += sizeof (struct symantec_header);
+
+	ether_type = EXTRACT_16BITS(&sp->ether_type);
+
+	if (ether_type <= ETHERMTU) {
+		/* ether_type not known, print raw packet */
+		if (!eflag)
+			symantec_hdr_print((u_char *)sp, length + sizeof (struct symantec_header));
+
+		if (!suppress_default_print)
+			default_print(p, caplen);
+	} else if (ethertype_print(gndo, ether_type, p, length, caplen) == 0) {
+		/* ether_type not known, print raw packet */
+		if (!eflag)
+			symantec_hdr_print((u_char *)sp, length + sizeof (struct symantec_header));
+
+		if (!suppress_default_print)
+			default_print(p, caplen);
+	} 
+
+	return (sizeof (struct symantec_header));
+}