GCC Code Coverage Report
Directory: ./ Exec Total Coverage
File: usr.sbin/tcpdump/print-rt6.c Lines: 0 27 0.0 %
Date: 2017-11-13 Branches: 0 23 0.0 %

Line Branch Exec Source
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/*	$OpenBSD: print-rt6.c,v 1.6 2015/11/16 00:16:39 mmcc Exp $	*/
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/*
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 * Copyright (c) 1988, 1989, 1990, 1991, 1993, 1994
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 *	The Regents of the University of California.  All rights reserved.
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 *
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 * Redistribution and use in source and binary forms, with or without
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 * modification, are permitted provided that: (1) source code distributions
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 * retain the above copyright notice and this paragraph in its entirety, (2)
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 * distributions including binary code include the above copyright notice and
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 * this paragraph in its entirety in the documentation or other materials
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 * provided with the distribution, and (3) all advertising materials mentioning
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 * features or use of this software display the following acknowledgement:
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 * ``This product includes software developed by the University of California,
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 * Lawrence Berkeley Laboratory and its contributors.'' Neither the name of
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 * the University nor the names of its contributors may be used to endorse
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 * or promote products derived from this software without specific prior
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 * written permission.
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 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
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 * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
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 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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 */
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#ifdef INET6
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#include <sys/time.h>
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <net/if.h>
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#include <netinet/in.h>
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#include <netinet/if_ether.h>
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#include <netinet/ip.h>
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#include <netinet/ip_icmp.h>
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#include <netinet/ip_var.h>
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#include <netinet/udp.h>
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#include <netinet/udp_var.h>
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#include <netinet/tcp.h>
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#include <stdio.h>
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#include <netinet/ip6.h>
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#include "interface.h"
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#include "addrtoname.h"
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int
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rt6_print(const u_char *bp, const u_char *bp2)
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{
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	const struct ip6_rthdr *dp;
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	const struct ip6_rthdr0 *dp0;
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	const struct ip6_hdr *ip;
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	const u_char *ep;
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	int i, len;
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	dp = (struct ip6_rthdr *)bp;
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	ip = (struct ip6_hdr *)bp2;
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	len = dp->ip6r_len;
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	/* 'ep' points to the end of avaible data. */
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	ep = snapend;
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#if 0
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	printf("%s > %s: ",
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	       ip6addr_string(&ip->ip6_src),
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	       ip6addr_string(&ip->ip6_dst));
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#endif
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	TCHECK(dp->ip6r_segleft);
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	printf("srcrt (len=%d, ", dp->ip6r_len);
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	printf("type=%d, ", dp->ip6r_type);
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	printf("segleft=%d", dp->ip6r_segleft);
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	switch (dp->ip6r_type) {
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	case IPV6_RTHDR_TYPE_0:
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		dp0 = (struct ip6_rthdr0 *)dp;
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		TCHECK(dp0->ip6r0_reserved);
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		if (dp0->ip6r0_reserved || vflag) {
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			printf(", rsv=0x%0x",
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				(u_int32_t)ntohl(dp0->ip6r0_reserved));
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		}
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		if (len % 2 == 1)
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			goto trunc;
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		len >>= 1;
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		for (i = 0; i < len; i++) {
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			struct in6_addr *addr;
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			addr = ((struct in6_addr *)(dp0 + 1)) + i;
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			if ((u_char *)addr > ep - sizeof(*addr))
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				goto trunc;
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			printf(", [%d]%s", i, ip6addr_string((u_char *)addr));
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		}
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		printf(")");
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		return((dp0->ip6r0_len + 1) << 3);
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	default:
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		if (bp + ((dp->ip6r_len + 1) << 3) > ep)
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			goto trunc;
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		printf(")");
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		return((dp->ip6r_len + 1) << 3);
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	}
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 trunc:
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	fputs(", [|srcrt]", stdout);
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	return 65535;		/* XXX */
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}
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#endif /* INET6 */