12949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project/* 22949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * Copyright (c) 1995, 1996 32949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * The Regents of the University of California. All rights reserved. 42949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * 52949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * Redistribution and use in source and binary forms, with or without 62949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * modification, are permitted provided that: (1) source code distributions 72949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * retain the above copyright notice and this paragraph in its entirety, (2) 82949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * distributions including binary code include the above copyright notice and 92949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * this paragraph in its entirety in the documentation or other materials 102949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * provided with the distribution, and (3) all advertising materials mentioning 112949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * features or use of this software display the following acknowledgement: 122949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * ``This product includes software developed by the University of California, 132949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * Lawrence Berkeley Laboratory and its contributors.'' Neither the name of 142949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * the University nor the names of its contributors may be used to endorse 152949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * or promote products derived from this software without specific prior 162949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * written permission. 172949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED 182949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF 192949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. 202949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project */ 212949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 222949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#ifndef lint 232949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Projectstatic const char rcsid[] _U_ = 242949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project "@(#) $Header: /tcpdump/master/tcpdump/print-dvmrp.c,v 1.27 2003/11/19 09:42:04 guy Exp $ (LBL)"; 252949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#endif 262949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 272949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#ifdef HAVE_CONFIG_H 282949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#include "config.h" 292949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#endif 302949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 312949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#include <tcpdump-stdinc.h> 322949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 332949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#include <stdio.h> 342949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#include <string.h> 352949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#include <stdlib.h> 362949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 372949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#include "interface.h" 382949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#include "extract.h" 392949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#include "addrtoname.h" 402949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 412949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project/* 422949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * DVMRP message types and flag values shamelessly stolen from 432949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * mrouted/dvmrp.h. 442949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project */ 452949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#define DVMRP_PROBE 1 /* for finding neighbors */ 462949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#define DVMRP_REPORT 2 /* for reporting some or all routes */ 472949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#define DVMRP_ASK_NEIGHBORS 3 /* sent by mapper, asking for a list */ 482949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project /* of this router's neighbors */ 492949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#define DVMRP_NEIGHBORS 4 /* response to such a request */ 502949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#define DVMRP_ASK_NEIGHBORS2 5 /* as above, want new format reply */ 512949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#define DVMRP_NEIGHBORS2 6 522949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#define DVMRP_PRUNE 7 /* prune message */ 532949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#define DVMRP_GRAFT 8 /* graft message */ 542949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#define DVMRP_GRAFT_ACK 9 /* graft acknowledgement */ 552949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 562949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project/* 572949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * 'flags' byte values in DVMRP_NEIGHBORS2 reply. 582949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project */ 592949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#define DVMRP_NF_TUNNEL 0x01 /* neighbors reached via tunnel */ 602949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#define DVMRP_NF_SRCRT 0x02 /* tunnel uses IP source routing */ 612949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#define DVMRP_NF_DOWN 0x10 /* kernel state of interface */ 622949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#define DVMRP_NF_DISABLED 0x20 /* administratively disabled */ 632949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#define DVMRP_NF_QUERIER 0x40 /* I am the subnet's querier */ 642949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 652949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Projectstatic int print_probe(const u_char *, const u_char *, u_int); 662949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Projectstatic int print_report(const u_char *, const u_char *, u_int); 672949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Projectstatic int print_neighbors(const u_char *, const u_char *, u_int); 682949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Projectstatic int print_neighbors2(const u_char *, const u_char *, u_int); 692949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Projectstatic int print_prune(const u_char *); 702949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Projectstatic int print_graft(const u_char *); 712949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Projectstatic int print_graft_ack(const u_char *); 722949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 732949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Projectstatic u_int32_t target_level; 742949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 752949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Projectvoid 762949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Projectdvmrp_print(register const u_char *bp, register u_int len) 772949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project{ 782949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project register const u_char *ep; 792949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project register u_char type; 802949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 812949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project ep = (const u_char *)snapend; 822949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project if (bp >= ep) 832949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project return; 842949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 852949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project TCHECK(bp[1]); 862949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project type = bp[1]; 872949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 882949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project /* Skip IGMP header */ 892949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project bp += 8; 902949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project len -= 8; 912949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 922949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project switch (type) { 932949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 942949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project case DVMRP_PROBE: 952949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project printf(" Probe"); 962949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project if (vflag) { 972949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project if (print_probe(bp, ep, len) < 0) 982949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project goto trunc; 992949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project } 1002949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project break; 1012949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 1022949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project case DVMRP_REPORT: 1032949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project printf(" Report"); 1042949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project if (vflag > 1) { 1052949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project if (print_report(bp, ep, len) < 0) 1062949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project goto trunc; 1072949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project } 1082949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project break; 1092949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 1102949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project case DVMRP_ASK_NEIGHBORS: 1112949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project printf(" Ask-neighbors(old)"); 1122949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project break; 1132949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 1142949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project case DVMRP_NEIGHBORS: 1152949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project printf(" Neighbors(old)"); 1162949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project if (print_neighbors(bp, ep, len) < 0) 1172949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project goto trunc; 1182949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project break; 1192949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 1202949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project case DVMRP_ASK_NEIGHBORS2: 1212949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project printf(" Ask-neighbors2"); 1222949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project break; 1232949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 1242949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project case DVMRP_NEIGHBORS2: 1252949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project printf(" Neighbors2"); 1262949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project /* 1272949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * extract version and capabilities from IGMP group 1282949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * address field 1292949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project */ 1302949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project bp -= 4; 1312949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project TCHECK2(bp[0], 4); 1322949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project target_level = (bp[0] << 24) | (bp[1] << 16) | 1332949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project (bp[2] << 8) | bp[3]; 1342949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project bp += 4; 1352949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project if (print_neighbors2(bp, ep, len) < 0) 1362949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project goto trunc; 1372949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project break; 1382949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 1392949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project case DVMRP_PRUNE: 1402949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project printf(" Prune"); 1412949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project if (print_prune(bp) < 0) 1422949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project goto trunc; 1432949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project break; 1442949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 1452949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project case DVMRP_GRAFT: 1462949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project printf(" Graft"); 1472949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project if (print_graft(bp) < 0) 1482949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project goto trunc; 1492949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project break; 1502949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 1512949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project case DVMRP_GRAFT_ACK: 1522949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project printf(" Graft-ACK"); 1532949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project if (print_graft_ack(bp) < 0) 1542949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project goto trunc; 1552949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project break; 1562949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 1572949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project default: 1582949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project printf(" [type %d]", type); 1592949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project break; 1602949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project } 1612949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project return; 1622949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 1632949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Projecttrunc: 1642949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project printf("[|dvmrp]"); 1652949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project return; 1662949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project} 1672949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 1682949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Projectstatic int 1692949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Projectprint_report(register const u_char *bp, register const u_char *ep, 1702949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project register u_int len) 1712949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project{ 1722949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project register u_int32_t mask, origin; 1732949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project register int metric, done; 1742949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project register u_int i, width; 1752949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 1762949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project while (len > 0) { 1772949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project if (len < 3) { 1782949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project printf(" [|]"); 1792949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project return (0); 1802949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project } 1812949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project TCHECK2(bp[0], 3); 1822949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project mask = (u_int32_t)0xff << 24 | bp[0] << 16 | bp[1] << 8 | bp[2]; 1832949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project width = 1; 1842949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project if (bp[0]) 1852949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project width = 2; 1862949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project if (bp[1]) 1872949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project width = 3; 1882949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project if (bp[2]) 1892949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project width = 4; 1902949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 1912949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project printf("\n\tMask %s", intoa(htonl(mask))); 1922949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project bp += 3; 1932949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project len -= 3; 1942949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project do { 1952949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project if (bp + width + 1 > ep) { 1962949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project printf(" [|]"); 1972949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project return (0); 1982949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project } 1992949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project if (len < width + 1) { 2002949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project printf("\n\t [Truncated Report]"); 2012949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project return (0); 2022949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project } 2032949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project origin = 0; 2042949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project for (i = 0; i < width; ++i) { 2052949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project TCHECK(*bp); 2062949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project origin = origin << 8 | *bp++; 2072949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project } 2082949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project for ( ; i < 4; ++i) 2092949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project origin <<= 8; 2102949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 2112949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project TCHECK(*bp); 2122949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project metric = *bp++; 2132949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project done = metric & 0x80; 2142949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project metric &= 0x7f; 2152949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project printf("\n\t %s metric %d", intoa(htonl(origin)), 2162949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project metric); 2172949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project len -= width + 1; 2182949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project } while (!done); 2192949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project } 2202949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project return (0); 2212949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Projecttrunc: 2222949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project return (-1); 2232949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project} 2242949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 2252949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Projectstatic int 2262949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Projectprint_probe(register const u_char *bp, register const u_char *ep, 2272949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project register u_int len) 2282949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project{ 2292949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project register u_int32_t genid; 2302949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 2312949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project TCHECK2(bp[0], 4); 2322949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project if ((len < 4) || ((bp + 4) > ep)) { 2332949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project /* { (ctags) */ 2342949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project printf(" [|}"); 2352949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project return (0); 2362949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project } 2372949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project genid = (bp[0] << 24) | (bp[1] << 16) | (bp[2] << 8) | bp[3]; 2382949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project bp += 4; 2392949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project len -= 4; 2402949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project if (vflag > 1) 2412949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project printf("\n\t"); 2422949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project else 2432949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project printf(" "); 2442949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project printf("genid %u", genid); 2452949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project if (vflag < 2) 2462949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project return (0); 2472949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 2482949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project while ((len > 0) && (bp < ep)) { 2492949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project TCHECK2(bp[0], 4); 2502949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project printf("\n\tneighbor %s", ipaddr_string(bp)); 2512949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project bp += 4; len -= 4; 2522949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project } 2532949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project return (0); 2542949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Projecttrunc: 2552949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project return (-1); 2562949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project} 2572949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 2582949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Projectstatic int 2592949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Projectprint_neighbors(register const u_char *bp, register const u_char *ep, 2602949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project register u_int len) 2612949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project{ 2622949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project const u_char *laddr; 2632949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project register u_char metric; 2642949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project register u_char thresh; 2652949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project register int ncount; 2662949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 2672949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project while (len > 0 && bp < ep) { 2682949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project TCHECK2(bp[0], 7); 2692949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project laddr = bp; 2702949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project bp += 4; 2712949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project metric = *bp++; 2722949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project thresh = *bp++; 2732949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project ncount = *bp++; 2742949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project len -= 7; 2752949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project while (--ncount >= 0) { 2762949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project TCHECK2(bp[0], 4); 2772949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project printf(" [%s ->", ipaddr_string(laddr)); 2782949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project printf(" %s, (%d/%d)]", 2792949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project ipaddr_string(bp), metric, thresh); 2802949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project bp += 4; 2812949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project len -= 4; 2822949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project } 2832949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project } 2842949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project return (0); 2852949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Projecttrunc: 2862949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project return (-1); 2872949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project} 2882949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 2892949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Projectstatic int 2902949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Projectprint_neighbors2(register const u_char *bp, register const u_char *ep, 2912949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project register u_int len) 2922949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project{ 2932949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project const u_char *laddr; 2942949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project register u_char metric, thresh, flags; 2952949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project register int ncount; 2962949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 2972949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project printf(" (v %d.%d):", 2982949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project (int)target_level & 0xff, 2992949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project (int)(target_level >> 8) & 0xff); 3002949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 3012949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project while (len > 0 && bp < ep) { 3022949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project TCHECK2(bp[0], 8); 3032949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project laddr = bp; 3042949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project bp += 4; 3052949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project metric = *bp++; 3062949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project thresh = *bp++; 3072949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project flags = *bp++; 3082949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project ncount = *bp++; 3092949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project len -= 8; 3102949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project while (--ncount >= 0 && (len >= 4) && (bp + 4) <= ep) { 3112949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project printf(" [%s -> ", ipaddr_string(laddr)); 3122949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project printf("%s (%d/%d", ipaddr_string(bp), 3132949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project metric, thresh); 3142949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project if (flags & DVMRP_NF_TUNNEL) 3152949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project printf("/tunnel"); 3162949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project if (flags & DVMRP_NF_SRCRT) 3172949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project printf("/srcrt"); 3182949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project if (flags & DVMRP_NF_QUERIER) 3192949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project printf("/querier"); 3202949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project if (flags & DVMRP_NF_DISABLED) 3212949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project printf("/disabled"); 3222949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project if (flags & DVMRP_NF_DOWN) 3232949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project printf("/down"); 3242949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project printf(")]"); 3252949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project bp += 4; 3262949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project len -= 4; 3272949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project } 3282949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project if (ncount != -1) { 3292949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project printf(" [|]"); 3302949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project return (0); 3312949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project } 3322949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project } 3332949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project return (0); 3342949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Projecttrunc: 3352949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project return (-1); 3362949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project} 3372949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 3382949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Projectstatic int 3392949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Projectprint_prune(register const u_char *bp) 3402949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project{ 3412949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project TCHECK2(bp[0], 12); 3422949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project printf(" src %s grp %s", ipaddr_string(bp), ipaddr_string(bp + 4)); 3432949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project bp += 8; 3442949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project (void)printf(" timer "); 3452949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project relts_print(EXTRACT_32BITS(bp)); 3462949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project return (0); 3472949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Projecttrunc: 3482949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project return (-1); 3492949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project} 3502949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 3512949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Projectstatic int 3522949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Projectprint_graft(register const u_char *bp) 3532949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project{ 3542949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project TCHECK2(bp[0], 8); 3552949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project printf(" src %s grp %s", ipaddr_string(bp), ipaddr_string(bp + 4)); 3562949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project return (0); 3572949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Projecttrunc: 3582949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project return (-1); 3592949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project} 3602949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 3612949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Projectstatic int 3622949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Projectprint_graft_ack(register const u_char *bp) 3632949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project{ 3642949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project TCHECK2(bp[0], 8); 3652949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project printf(" src %s grp %s", ipaddr_string(bp), ipaddr_string(bp + 4)); 3662949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project return (0); 3672949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Projecttrunc: 3682949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project return (-1); 3692949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project} 370