Virgin import of tcpdump.org tcpdump v3.5

1 files changed, 120 insertions, 0 deletions

diff --git a/contrib/tcpdump/print-rt6.c b/contrib/tcpdump/print-rt6.c
new file mode 100644
index 0000000..f8a7fcb
--- /dev/null
+++ b/contrib/tcpdump/print-rt6.c
@@ -0,0 +1,120 @@
+/*
+ * Copyright (c) 1988, 1989, 1990, 1991, 1993, 1994
+ *	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[] =
+    "@(#) $Header: /tcpdump/master/tcpdump/print-rt6.c,v 1.3.2.1 2000/01/11 06:58:26 fenner Exp $";
+#endif
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#ifdef INET6
+
+#include <sys/param.h>
+#include <sys/time.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+
+#include <net/if.h>
+
+#include <netinet/in.h>
+#include <netinet/if_ether.h>
+#include <netinet/in_systm.h>
+#include <netinet/ip.h>
+#include <netinet/ip_icmp.h>
+#include <netinet/ip_var.h>
+#include <netinet/udp.h>
+#include <netinet/udp_var.h>
+#include <netinet/tcp.h>
+
+#include <stdio.h>
+
+#include <netinet/ip6.h>
+
+#include "interface.h"
+#include "addrtoname.h"
+
+int
+rt6_print(register const u_char *bp, register const u_char *bp2)
+{
+	register const struct ip6_rthdr *dp;
+	register const struct ip6_rthdr0 *dp0;
+	register const struct ip6_hdr *ip;
+	register const u_char *ep;
+	int i, len;
+
+	dp = (struct ip6_rthdr *)bp;
+	ip = (struct ip6_hdr *)bp2;
+	len = dp->ip6r_len;
+
+	/* 'ep' points to the end of avaible data. */
+	ep = snapend;
+
+        printf("%s > %s: ",
+	       ip6addr_string(&ip->ip6_src),
+	       ip6addr_string(&ip->ip6_dst));
+
+	TCHECK(dp->ip6r_segleft);
+
+	printf("srcrt (len=%d, ", dp->ip6r_len);
+	printf("type=%d, ", dp->ip6r_type);
+	printf("segleft=%d, ", dp->ip6r_segleft);
+
+	switch(dp->ip6r_type) {
+	case IPV6_RTHDR_TYPE_0:
+		dp0 = (struct ip6_rthdr0 *)dp;
+
+		TCHECK(dp0->ip6r0_reserved);
+		if (dp0->ip6r0_reserved || vflag) {
+			printf("rsv=0x%0x, ",
+				(u_int32_t)ntohl(dp0->ip6r0_reserved));
+		}
+
+		if (len % 2 == 1)
+			goto trunc;
+		len >>= 1;
+		for (i = 0; i < len; i++) {
+			struct in6_addr *addr;
+
+			addr = ((struct in6_addr *)(dp0 + 1)) + i;
+			if ((u_char *)addr > ep - sizeof(*addr))
+				goto trunc;
+
+			printf("[%d]%s", i, ip6addr_string((u_char *)addr));
+			if (i != len - 1)
+				printf(", ");
+		   
+		}
+		printf(")");
+		return((dp0->ip6r0_len + 1) << 3);
+		break;
+	default:
+		goto trunc;
+		break;
+	}
+
+ trunc:
+	fputs("[|srcrt]", stdout);
+	return 65535;		/* XXX */
+}
+#endif /* INET6 */