diff options
Diffstat (limited to 'freebsd/contrib/tcpdump/print-rt6.c')
-rw-r--r-- | freebsd/contrib/tcpdump/print-rt6.c | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/freebsd/contrib/tcpdump/print-rt6.c b/freebsd/contrib/tcpdump/print-rt6.c new file mode 100644 index 00000000..c9501c92 --- /dev/null +++ b/freebsd/contrib/tcpdump/print-rt6.c @@ -0,0 +1,107 @@ +#include <machine/rtems-bsd-user-space.h> + +/* + * 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[] _U_ = + "@(#) $Header: /tcpdump/master/tcpdump/print-rt6.c,v 1.27 2005-04-20 22:34:57 guy Exp $"; +#endif + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#ifdef INET6 + +#include <tcpdump-stdinc.h> + +#include <stdio.h> + +#include "ip6.h" + +#include "interface.h" +#include "addrtoname.h" +#include "extract.h" + +int +rt6_print(register const u_char *bp, const u_char *bp2 _U_) +{ + register const struct ip6_rthdr *dp; + register const struct ip6_rthdr0 *dp0; + register const u_char *ep; + int i, len; + register const struct in6_addr *addr; + + dp = (struct ip6_rthdr *)bp; + len = dp->ip6r_len; + + /* 'ep' points to the end of available data. */ + ep = snapend; + + 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) { +#ifndef IPV6_RTHDR_TYPE_0 +#define IPV6_RTHDR_TYPE_0 0 +#endif +#ifndef IPV6_RTHDR_TYPE_2 +#define IPV6_RTHDR_TYPE_2 2 +#endif + case IPV6_RTHDR_TYPE_0: + case IPV6_RTHDR_TYPE_2: /* Mobile IPv6 ID-20 */ + dp0 = (struct ip6_rthdr0 *)dp; + + TCHECK(dp0->ip6r0_reserved); + if (dp0->ip6r0_reserved || vflag) { + printf(", rsv=0x%0x", + EXTRACT_32BITS(&dp0->ip6r0_reserved)); + } + + if (len % 2 == 1) + goto trunc; + len >>= 1; + addr = &dp0->ip6r0_addr[0]; + for (i = 0; i < len; i++) { + if ((u_char *)(addr + 1) > ep) + goto trunc; + + printf(", [%d]%s", i, ip6addr_string(addr)); + addr++; + } + /*(*/ + printf(") "); + return((dp0->ip6r0_len + 1) << 3); + break; + default: + goto trunc; + break; + } + + trunc: + fputs("[|srcrt]", stdout); + return -1; +} +#endif /* INET6 */ |