diff options
author | Jakob Schlyter <jakob@cvs.openbsd.org> | 2000-04-26 21:35:45 +0000 |
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committer | Jakob Schlyter <jakob@cvs.openbsd.org> | 2000-04-26 21:35:45 +0000 |
commit | 2dd23c23770ee72b2c221e1b8ddf74531cf67e15 (patch) | |
tree | 6bc2e589e5c398c416d7cd4014d0d050bdcea861 /usr.sbin/tcpdump/print-rt6.c | |
parent | 7ffa8e1885137bf28c6c378169c6dc323b6dbbe2 (diff) |
INET6
DHCP/BOOTP
tcp & udp checksum detection
numerous bugfixes
Diffstat (limited to 'usr.sbin/tcpdump/print-rt6.c')
-rw-r--r-- | usr.sbin/tcpdump/print-rt6.c | 121 |
1 files changed, 121 insertions, 0 deletions
diff --git a/usr.sbin/tcpdump/print-rt6.c b/usr.sbin/tcpdump/print-rt6.c new file mode 100644 index 00000000000..324cb07090b --- /dev/null +++ b/usr.sbin/tcpdump/print-rt6.c @@ -0,0 +1,121 @@ +/* $OpenBSD: print-rt6.c,v 1.1 2000/04/26 21:35:42 jakob Exp $ */ + + +/* + * 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[] = + "@(#) /master/usr.sbin/tcpdump/tcpdump/print-icmp.c,v 2.1 1995/02/03 18:14:42 polk Exp (LBL)"; +#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; + +#if 0 + printf("%s > %s: ", + ip6addr_string(&ip->ip6_src), + ip6addr_string(&ip->ip6_dst)); +#endif + + 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 */ |