diff options
Diffstat (limited to 'contrib/tcpdump/print-ripng.c')
| -rw-r--r-- | contrib/tcpdump/print-ripng.c | 127 |
1 files changed, 127 insertions, 0 deletions
diff --git a/contrib/tcpdump/print-ripng.c b/contrib/tcpdump/print-ripng.c new file mode 100644 index 0000000..7a4aee6 --- /dev/null +++ b/contrib/tcpdump/print-ripng.c @@ -0,0 +1,127 @@ +/* + * Copyright (c) 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-ripng.c,v 1.2.2.1 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 <netinet/in.h> +#include <netinet/in_systm.h> +#include <netinet/ip.h> +#include <netinet/ip_var.h> +#include <netinet/udp.h> +#include <netinet/udp_var.h> + +#include <errno.h> +#include <stdio.h> + +#include <netinet/ip6.h> + +#include "route6d.h" +#include "interface.h" +#include "addrtoname.h" + +static int +rip6_entry_print(register const struct netinfo6 *ni, int metric) +{ + int l; + l = printf("%s/%d", ip6addr_string(&ni->rip6_dest), ni->rip6_plen); + if (ni->rip6_tag) + l += printf(" [%d]", ntohs(ni->rip6_tag)); + if (metric) + l += printf(" (%d)", ni->rip6_metric); + return l; +} + +void +ripng_print(const u_char *dat, int length) +{ + register const struct rip6 *rp = (struct rip6 *)dat; + register const struct netinfo6 *ni; + register int amt = snapend - dat; + register int i = min(length, amt) - + (sizeof(struct rip6) - sizeof(struct netinfo6)); + int j; + int trunc; + + if (i < 0) + return; + + switch (rp->rip6_cmd) { + + case RIP6_REQUEST: + j = length / sizeof(*ni); + if (j == 1 + && rp->rip6_nets->rip6_metric == HOPCNT_INFINITY6 + && IN6_IS_ADDR_UNSPECIFIED(&rp->rip6_nets->rip6_dest)) { + printf(" ripng-req dump"); + break; + } + if (j * sizeof(*ni) != length - 4) + printf(" ripng-req %d[%d]:", j, length); + else + printf(" ripng-req %d:", j); + trunc = ((i / sizeof(*ni)) * sizeof(*ni) != i); + for (ni = rp->rip6_nets; (i -= sizeof(*ni)) >= 0; ++ni) { + if (vflag) + printf("\n\t"); + else + printf(" "); + rip6_entry_print(ni, 0); + } + break; + case RIP6_RESPONSE: + j = length / sizeof(*ni); + if (j * sizeof(*ni) != length - 4) + printf(" ripng-resp %d[%d]:", j, length); + else + printf(" ripng-resp %d:", j); + trunc = ((i / sizeof(*ni)) * sizeof(*ni) != i); + for (ni = rp->rip6_nets; (i -= sizeof(*ni)) >= 0; ++ni) { + if (vflag) + printf("\n\t"); + else + printf(" "); + rip6_entry_print(ni, ni->rip6_metric); + } + if (trunc) + printf("[|rip]"); + break; + default: + printf(" ripng-%d ?? %d", rp->rip6_cmd, length); + break; + } + if (rp->rip6_vers != RIP6_VERSION) + printf(" [vers %d]", rp->rip6_vers); +} +#endif /* INET6 */ |
