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      1    0  stevel /*
      2    0  stevel  * CDDL HEADER START
      3    0  stevel  *
      4    0  stevel  * The contents of this file are subject to the terms of the
      5    0  stevel  * Common Development and Distribution License, Version 1.0 only
      6    0  stevel  * (the "License").  You may not use this file except in compliance
      7    0  stevel  * with the License.
      8    0  stevel  *
      9    0  stevel  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
     10    0  stevel  * or http://www.opensolaris.org/os/licensing.
     11    0  stevel  * See the License for the specific language governing permissions
     12    0  stevel  * and limitations under the License.
     13    0  stevel  *
     14    0  stevel  * When distributing Covered Code, include this CDDL HEADER in each
     15    0  stevel  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
     16    0  stevel  * If applicable, add the following below this CDDL HEADER, with the
     17    0  stevel  * fields enclosed by brackets "[]" replaced with your own identifying
     18    0  stevel  * information: Portions Copyright [yyyy] [name of copyright owner]
     19    0  stevel  *
     20    0  stevel  * CDDL HEADER END
     21    0  stevel  */
     22    0  stevel /*
     23  410  kcpoon  * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
     24  410  kcpoon  * Use is subject to license terms.
     25    0  stevel  */
     26    0  stevel 
     27    0  stevel #pragma ident	"%Z%%M%	%I%	%E% SMI"	/* SunOS */
     28    0  stevel 
     29    0  stevel #include <ctype.h>
     30    0  stevel #include <fcntl.h>
     31    0  stevel #include <sys/socket.h>
     32    0  stevel #include <sys/types.h>
     33    0  stevel #include <net/if.h>
     34    0  stevel #include <netinet/in_systm.h>
     35    0  stevel #include <netinet/in.h>
     36    0  stevel #include <netinet/ip.h>
     37    0  stevel #include <inet/led.h>
     38    0  stevel #include <inet/ip6.h>
     39    0  stevel #include <arpa/inet.h>
     40    0  stevel #include <protocols/routed.h>
     41    0  stevel #include <protocols/ripngd.h>
     42    0  stevel #include "snoop.h"
     43    0  stevel 
     44    0  stevel extern char *dlc_header;
     45    0  stevel static char *show_cmd6();
     46    0  stevel 
     47    0  stevel static struct in6_addr all_zeroes_addr = { {	0x0, 0x0, 0x0, 0x0,
     48    0  stevel 						0x0, 0x0, 0x0, 0x0,
     49    0  stevel 						0x0, 0x0, 0x0, 0x0,
     50    0  stevel 						0x0, 0x0, 0x0, 0x0 } };
     51    0  stevel 
     52  410  kcpoon int
     53  410  kcpoon interpret_rip6(int flags, struct rip6 *rip6, int fraglen)
     54    0  stevel {
     55    0  stevel 	char *p;
     56    0  stevel 	struct netinfo6 *n;
     57    0  stevel 	int len, count;
     58    0  stevel 	struct in6_addr *dst;
     59    0  stevel 	int notdefault = 0;
     60    0  stevel 	char dststr[INET6_ADDRSTRLEN];
     61    0  stevel 
     62    0  stevel 	if (flags & F_SUM) {
     63    0  stevel 		switch (rip6->rip6_cmd) {
     64    0  stevel 		case RIPCMD6_REQUEST:	p = "C";		break;
     65    0  stevel 		case RIPCMD6_RESPONSE:	p = "R";		break;
     66    0  stevel 		default: p = "?"; break;
     67    0  stevel 		}
     68    0  stevel 
     69    0  stevel 		switch (rip6->rip6_cmd) {
     70    0  stevel 		case RIPCMD6_REQUEST:
     71    0  stevel 		case RIPCMD6_RESPONSE:
     72    0  stevel 			len = fraglen - 4;
     73    0  stevel 			count = 0;
     74    0  stevel 			for (n = rip6->rip6_nets;
     75    0  stevel 			    len >= sizeof (struct netinfo6); n++) {
     76    0  stevel 				count++;
     77    0  stevel 				len -= sizeof (struct netinfo6);
     78    0  stevel 			}
     79    0  stevel 			(void) sprintf(get_sum_line(),
     80    0  stevel 			    "RIPng %s (%d destinations)", p, count);
     81    0  stevel 			break;
     82    0  stevel 		default:
     83    0  stevel 			(void) sprintf(get_sum_line(), "RIPng %s", p);
     84    0  stevel 			break;
     85    0  stevel 		}
     86    0  stevel 	}
     87    0  stevel 
     88    0  stevel 	if (flags & F_DTAIL) {
     89    0  stevel 
     90    0  stevel 		show_header("RIPng:  ", "Routing Information Protocol for IPv6",
     91    0  stevel 		    fraglen);
     92    0  stevel 		show_space();
     93  410  kcpoon 		(void) sprintf(get_line((char *)(uintptr_t)rip6->rip6_cmd -
     94  410  kcpoon 		    dlc_header, 1), "Opcode = %d (%s)", rip6->rip6_cmd,
     95    0  stevel 		    show_cmd6(rip6->rip6_cmd));
     96  410  kcpoon 		(void) sprintf(get_line((char *)(uintptr_t)rip6->rip6_vers -
     97  410  kcpoon 		    dlc_header, 1), "Version = %d", rip6->rip6_vers);
     98    0  stevel 
     99    0  stevel 		switch (rip6->rip6_cmd) {
    100    0  stevel 		case RIPCMD6_REQUEST:
    101    0  stevel 		case RIPCMD6_RESPONSE:
    102    0  stevel 			show_space();
    103    0  stevel 			(void) sprintf(get_line(0, 0), "Address"
    104    0  stevel 			    "                       Prefix        Metric");
    105    0  stevel 			len = fraglen - 4;
    106    0  stevel 			for (n = rip6->rip6_nets;
    107    0  stevel 			    len >= sizeof (struct netinfo6); n++) {
    108    0  stevel 				if (rip6->rip6_vers > 0) {
    109    0  stevel 					n->rip6_metric = n->rip6_metric;
    110    0  stevel 				}
    111    0  stevel 				dst = &n->rip6_prefix;
    112    0  stevel 				notdefault = bcmp((caddr_t *)dst,
    113    0  stevel 				    (caddr_t *)&all_zeroes_addr, sizeof (*dst));
    114    0  stevel 				(void) inet_ntop(AF_INET6, (char *)dst, dststr,
    115    0  stevel 				    INET6_ADDRSTRLEN);
    116    0  stevel 				(void) sprintf(get_line((char *)n - dlc_header,
    117    0  stevel 				    sizeof (struct netinfo6)),
    118    0  stevel 				    "%-30s %-10d     %-5d %s",
    119    0  stevel 				    notdefault ? dststr :
    120    0  stevel 				    " (default)", n->rip6_prefix_length,
    121    0  stevel 				    n->rip6_metric, n->rip6_metric == 16 ?
    122    0  stevel 				    " (not reachable)":"");
    123    0  stevel 				len -= sizeof (struct netinfo);
    124    0  stevel 			}
    125    0  stevel 			break;
    126    0  stevel 		}
    127    0  stevel 	}
    128    0  stevel 	return (fraglen);
    129    0  stevel }
    130    0  stevel 
    131    0  stevel static char *
    132    0  stevel show_cmd6(c)
    133    0  stevel 	int c;
    134    0  stevel {
    135    0  stevel 	switch (c) {
    136    0  stevel 	case RIPCMD6_REQUEST:	return ("route request");
    137    0  stevel 	case RIPCMD6_RESPONSE:	return ("route response");
    138    0  stevel 	}
    139    0  stevel 	return ("?");
    140    0  stevel }
    141