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