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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2005 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#pragma ident "%Z%%M% %I% %E% SMI" /* SunOS */
#include <ctype.h>
#include <fcntl.h>
#include <sys/socket.h>
#include <sys/types.h>
#include <net/if.h>
#include <netinet/in_systm.h>
#include <netinet/in.h>
#include <netinet/ip.h>
#include <inet/led.h>
#include <inet/ip6.h>
#include <arpa/inet.h>
#include <protocols/routed.h>
#include <protocols/ripngd.h>
#include "snoop.h"
extern char *dlc_header;
static char *show_cmd6();
static struct in6_addr all_zeroes_addr = { { 0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0 } };
int
interpret_rip6(int flags, struct rip6 *rip6, int fraglen)
{
char *p;
struct netinfo6 *n;
int len, count;
struct in6_addr *dst;
int notdefault = 0;
char dststr[INET6_ADDRSTRLEN];
if (flags & F_SUM) {
switch (rip6->rip6_cmd) {
case RIPCMD6_REQUEST: p = "C"; break;
case RIPCMD6_RESPONSE: p = "R"; break;
default: p = "?"; break;
}
switch (rip6->rip6_cmd) {
case RIPCMD6_REQUEST:
case RIPCMD6_RESPONSE:
len = fraglen - 4;
count = 0;
for (n = rip6->rip6_nets;
len >= sizeof (struct netinfo6); n++) {
count++;
len -= sizeof (struct netinfo6);
}
(void) sprintf(get_sum_line(),
"RIPng %s (%d destinations)", p, count);
break;
default:
(void) sprintf(get_sum_line(), "RIPng %s", p);
break;
}
}
if (flags & F_DTAIL) {
show_header("RIPng: ", "Routing Information Protocol for IPv6",
fraglen);
show_space();
(void) sprintf(get_line((char *)(uintptr_t)rip6->rip6_cmd -
dlc_header, 1), "Opcode = %d (%s)", rip6->rip6_cmd,
show_cmd6(rip6->rip6_cmd));
(void) sprintf(get_line((char *)(uintptr_t)rip6->rip6_vers -
dlc_header, 1), "Version = %d", rip6->rip6_vers);
switch (rip6->rip6_cmd) {
case RIPCMD6_REQUEST:
case RIPCMD6_RESPONSE:
show_space();
(void) sprintf(get_line(0, 0), "Address"
" Prefix Metric");
len = fraglen - 4;
for (n = rip6->rip6_nets;
len >= sizeof (struct netinfo6); n++) {
if (rip6->rip6_vers > 0) {
n->rip6_metric = n->rip6_metric;
}
dst = &n->rip6_prefix;
notdefault = bcmp((caddr_t *)dst,
(caddr_t *)&all_zeroes_addr, sizeof (*dst));
(void) inet_ntop(AF_INET6, (char *)dst, dststr,
INET6_ADDRSTRLEN);
(void) sprintf(get_line((char *)n - dlc_header,
sizeof (struct netinfo6)),
"%-30s %-10d %-5d %s",
notdefault ? dststr :
" (default)", n->rip6_prefix_length,
n->rip6_metric, n->rip6_metric == 16 ?
" (not reachable)":"");
len -= sizeof (struct netinfo);
}
break;
}
}
return (fraglen);
}
static char *
show_cmd6(c)
int c;
{
switch (c) {
case RIPCMD6_REQUEST: return ("route request");
case RIPCMD6_RESPONSE: return ("route response");
}
return ("?");
}
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