12949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project/* 22949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * Copyright (c) 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997 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-arp.c,v 1.64 2004/04/30 16:42:14 mcr 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 362949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#include "netdissect.h" 372949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#include "addrtoname.h" 382949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#include "ether.h" 392949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#include "ethertype.h" 402949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#include "extract.h" /* must come after interface.h */ 412949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 422949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project/* 432949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * Address Resolution Protocol. 442949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * 452949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * See RFC 826 for protocol description. ARP packets are variable 462949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * in size; the arphdr structure defines the fixed-length portion. 472949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * Protocol type values are the same as those for 10 Mb/s Ethernet. 482949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * It is followed by the variable-sized fields ar_sha, arp_spa, 492949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * arp_tha and arp_tpa in that order, according to the lengths 502949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * specified. Field names used correspond to RFC 826. 512949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project */ 522949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Projectstruct arp_pkthdr { 532949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project u_short ar_hrd; /* format of hardware address */ 542949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#define ARPHRD_ETHER 1 /* ethernet hardware format */ 552949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#define ARPHRD_IEEE802 6 /* token-ring hardware format */ 562949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#define ARPHRD_ARCNET 7 /* arcnet hardware format */ 572949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#define ARPHRD_FRELAY 15 /* frame relay hardware format */ 582949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#define ARPHRD_STRIP 23 /* Ricochet Starmode Radio hardware format */ 592949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#define ARPHRD_IEEE1394 24 /* IEEE 1394 (FireWire) hardware format */ 602949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project u_short ar_pro; /* format of protocol address */ 612949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project u_char ar_hln; /* length of hardware address */ 622949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project u_char ar_pln; /* length of protocol address */ 632949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project u_short ar_op; /* one of: */ 642949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#define ARPOP_REQUEST 1 /* request to resolve address */ 652949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#define ARPOP_REPLY 2 /* response to previous request */ 662949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#define ARPOP_REVREQUEST 3 /* request protocol address given hardware */ 672949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#define ARPOP_REVREPLY 4 /* response giving protocol address */ 682949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#define ARPOP_INVREQUEST 8 /* request to identify peer */ 692949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#define ARPOP_INVREPLY 9 /* response identifying peer */ 702949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project/* 712949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * The remaining fields are variable in size, 722949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * according to the sizes above. 732949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project */ 742949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#ifdef COMMENT_ONLY 752949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project u_char ar_sha[]; /* sender hardware address */ 762949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project u_char ar_spa[]; /* sender protocol address */ 772949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project u_char ar_tha[]; /* target hardware address */ 782949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project u_char ar_tpa[]; /* target protocol address */ 792949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#endif 802949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#define ar_sha(ap) (((const u_char *)((ap)+1))+0) 812949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#define ar_spa(ap) (((const u_char *)((ap)+1))+ (ap)->ar_hln) 822949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#define ar_tha(ap) (((const u_char *)((ap)+1))+ (ap)->ar_hln+(ap)->ar_pln) 832949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#define ar_tpa(ap) (((const u_char *)((ap)+1))+2*(ap)->ar_hln+(ap)->ar_pln) 842949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project}; 852949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 862949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#define ARP_HDRLEN 8 872949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 882949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#define HRD(ap) EXTRACT_16BITS(&(ap)->ar_hrd) 892949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#define HLN(ap) ((ap)->ar_hln) 902949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#define PLN(ap) ((ap)->ar_pln) 912949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#define OP(ap) EXTRACT_16BITS(&(ap)->ar_op) 922949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#define PRO(ap) EXTRACT_16BITS(&(ap)->ar_pro) 932949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#define SHA(ap) (ar_sha(ap)) 942949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#define SPA(ap) (ar_spa(ap)) 952949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#define THA(ap) (ar_tha(ap)) 962949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#define TPA(ap) (ar_tpa(ap)) 972949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 982949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project/* 992949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * ATM Address Resolution Protocol. 1002949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * 1012949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * See RFC 2225 for protocol description. ATMARP packets are similar 1022949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * to ARP packets, except that there are no length fields for the 1032949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * protocol address - instead, there are type/length fields for 1042949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * the ATM number and subaddress - and the hardware addresses consist 1052949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * of an ATM number and an ATM subaddress. 1062949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project */ 1072949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Projectstruct atmarp_pkthdr { 1082949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project u_short aar_hrd; /* format of hardware address */ 1092949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#define ARPHRD_ATM2225 19 /* ATM (RFC 2225) */ 1102949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project u_short aar_pro; /* format of protocol address */ 1112949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project u_char aar_shtl; /* length of source ATM number */ 1122949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project u_char aar_sstl; /* length of source ATM subaddress */ 1132949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#define ATMARP_IS_E164 0x40 /* bit in type/length for E.164 format */ 1142949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#define ATMARP_LEN_MASK 0x3F /* length of {sub}address in type/length */ 1152949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project u_short aar_op; /* same as regular ARP */ 1162949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#define ATMARPOP_NAK 10 /* NAK */ 1172949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project u_char aar_spln; /* length of source protocol address */ 1182949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project u_char aar_thtl; /* length of target ATM number */ 1192949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project u_char aar_tstl; /* length of target ATM subaddress */ 1202949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project u_char aar_tpln; /* length of target protocol address */ 1212949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project/* 1222949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * The remaining fields are variable in size, 1232949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * according to the sizes above. 1242949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project */ 1252949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#ifdef COMMENT_ONLY 1262949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project u_char aar_sha[]; /* source ATM number */ 1272949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project u_char aar_ssa[]; /* source ATM subaddress */ 1282949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project u_char aar_spa[]; /* sender protocol address */ 1292949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project u_char aar_tha[]; /* target ATM number */ 1302949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project u_char aar_tsa[]; /* target ATM subaddress */ 1312949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project u_char aar_tpa[]; /* target protocol address */ 1322949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#endif 1332949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 1342949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#define ATMHRD(ap) EXTRACT_16BITS(&(ap)->aar_hrd) 1352949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#define ATMSHLN(ap) ((ap)->aar_shtl & ATMARP_LEN_MASK) 1362949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#define ATMSSLN(ap) ((ap)->aar_sstl & ATMARP_LEN_MASK) 1372949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#define ATMSPLN(ap) ((ap)->aar_spln) 1382949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#define ATMOP(ap) EXTRACT_16BITS(&(ap)->aar_op) 1392949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#define ATMPRO(ap) EXTRACT_16BITS(&(ap)->aar_pro) 1402949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#define ATMTHLN(ap) ((ap)->aar_thtl & ATMARP_LEN_MASK) 1412949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#define ATMTSLN(ap) ((ap)->aar_tstl & ATMARP_LEN_MASK) 1422949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#define ATMTPLN(ap) ((ap)->aar_tpln) 1432949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#define aar_sha(ap) ((const u_char *)((ap)+1)) 1442949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#define aar_ssa(ap) (aar_sha(ap) + ATMSHLN(ap)) 1452949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#define aar_spa(ap) (aar_ssa(ap) + ATMSSLN(ap)) 1462949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#define aar_tha(ap) (aar_spa(ap) + ATMSPLN(ap)) 1472949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#define aar_tsa(ap) (aar_tha(ap) + ATMTHLN(ap)) 1482949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#define aar_tpa(ap) (aar_tsa(ap) + ATMTSLN(ap)) 1492949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project}; 1502949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 1512949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#define ATMSHA(ap) (aar_sha(ap)) 1522949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#define ATMSSA(ap) (aar_ssa(ap)) 1532949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#define ATMSPA(ap) (aar_spa(ap)) 1542949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#define ATMTHA(ap) (aar_tha(ap)) 1552949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#define ATMTSA(ap) (aar_tsa(ap)) 1562949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#define ATMTPA(ap) (aar_tpa(ap)) 1572949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 1582949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Projectstatic u_char ezero[6]; 1592949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 1602949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Projectstatic void 1612949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Projectatmarp_addr_print(netdissect_options *ndo, 1622949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project const u_char *ha, u_int ha_len, const u_char *srca, 1632949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project u_int srca_len) 1642949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project{ 1652949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project if (ha_len == 0) 1662949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project ND_PRINT((ndo, "<No address>")); 1672949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project else { 1682949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project ND_PRINT((ndo, "%s", linkaddr_string(ha, ha_len))); 1692949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project if (srca_len != 0) 1702949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project ND_PRINT((ndo, ",%s", 1712949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project linkaddr_string(srca, srca_len))); 1722949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project } 1732949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project} 1742949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 1752949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Projectstatic void 1762949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Projectatmarp_print(netdissect_options *ndo, 1772949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project const u_char *bp, u_int length, u_int caplen) 1782949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project{ 1792949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project const struct atmarp_pkthdr *ap; 1802949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project u_short pro, hrd, op; 1812949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 1822949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project ap = (const struct atmarp_pkthdr *)bp; 1832949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project ND_TCHECK(*ap); 1842949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 1852949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project hrd = ATMHRD(ap); 1862949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project pro = ATMPRO(ap); 1872949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project op = ATMOP(ap); 1882949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 1892949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project if (!ND_TTEST2(*aar_tpa(ap), ATMTPLN(ap))) { 1902949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project ND_PRINT((ndo, "truncated-atmarp")); 1912949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project ND_DEFAULTPRINT((const u_char *)ap, length); 1922949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project return; 1932949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project } 1942949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 1952949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project if ((pro != ETHERTYPE_IP && pro != ETHERTYPE_TRAIL) || 1962949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project ATMSPLN(ap) != 4 || ATMTPLN(ap) != 4) { 1972949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project ND_PRINT((ndo, "atmarp-#%d for proto #%d (%d/%d) hardware #%d", 1982949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project op, pro, ATMSPLN(ap), ATMTPLN(ap), hrd)); 1992949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project return; 2002949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project } 2012949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project if (pro == ETHERTYPE_TRAIL) 2022949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project ND_PRINT((ndo, "trailer-")); 2032949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project switch (op) { 2042949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 2052949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project case ARPOP_REQUEST: 2062949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project ND_PRINT((ndo, "arp who-has %s", ipaddr_string(ATMTPA(ap)))); 2072949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project if (ATMTHLN(ap) != 0) { 2082949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project ND_PRINT((ndo, " (")); 2092949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project atmarp_addr_print(ndo, ATMTHA(ap), ATMTHLN(ap), 2102949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project ATMTSA(ap), ATMTSLN(ap)); 2112949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project ND_PRINT((ndo, ")")); 2122949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project } 2132949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project ND_PRINT((ndo, " tell %s", ipaddr_string(ATMSPA(ap)))); 2142949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project break; 2152949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 2162949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project case ARPOP_REPLY: 2172949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project ND_PRINT((ndo, "arp reply %s", ipaddr_string(ATMSPA(ap)))); 2182949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project ND_PRINT((ndo, " is-at ")); 2192949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project atmarp_addr_print(ndo, ATMSHA(ap), ATMSHLN(ap), ATMSSA(ap), 2202949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project ATMSSLN(ap)); 2212949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project break; 2222949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 2232949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project case ARPOP_INVREQUEST: 2242949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project ND_PRINT((ndo, "invarp who-is ")); 2252949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project atmarp_addr_print(ndo, ATMTHA(ap), ATMTHLN(ap), ATMTSA(ap), 2262949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project ATMTSLN(ap)); 2272949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project ND_PRINT((ndo, " tell ")); 2282949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project atmarp_addr_print(ndo, ATMSHA(ap), ATMSHLN(ap), ATMSSA(ap), 2292949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project ATMSSLN(ap)); 2302949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project break; 2312949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 2322949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project case ARPOP_INVREPLY: 2332949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project ND_PRINT((ndo, "invarp reply ")); 2342949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project atmarp_addr_print(ndo, ATMSHA(ap), ATMSHLN(ap), ATMSSA(ap), 2352949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project ATMSSLN(ap)); 2362949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project ND_PRINT((ndo, " at %s", ipaddr_string(ATMSPA(ap)))); 2372949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project break; 2382949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 2392949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project case ATMARPOP_NAK: 2402949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project ND_PRINT((ndo, "nak reply for %s", 2412949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project ipaddr_string(ATMSPA(ap)))); 2422949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project break; 2432949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 2442949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project default: 2452949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project ND_PRINT((ndo, "atmarp-#%d", op)); 2462949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project ND_DEFAULTPRINT((const u_char *)ap, caplen); 2472949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project return; 2482949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project } 2492949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project return; 2502949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Projecttrunc: 2512949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project ND_PRINT((ndo, "[|atmarp]")); 2522949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project} 2532949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 2542949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Projectvoid 2552949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Projectarp_print(netdissect_options *ndo, 2562949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project const u_char *bp, u_int length, u_int caplen) 2572949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project{ 2582949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project const struct arp_pkthdr *ap; 2592949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project u_short pro, hrd, op; 2602949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 2612949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project ap = (const struct arp_pkthdr *)bp; 2622949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project ND_TCHECK(*ap); 2632949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project hrd = HRD(ap); 2642949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project if (hrd == ARPHRD_ATM2225) { 2652949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project atmarp_print(ndo, bp, length, caplen); 2662949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project return; 2672949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project } 2682949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project pro = PRO(ap); 2692949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project op = OP(ap); 2702949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 2712949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project if (!ND_TTEST2(*ar_tpa(ap), PLN(ap))) { 2722949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project ND_PRINT((ndo, "truncated-arp")); 2732949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project ND_DEFAULTPRINT((const u_char *)ap, length); 2742949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project return; 2752949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project } 2762949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 2772949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project if ((pro != ETHERTYPE_IP && pro != ETHERTYPE_TRAIL) || 2782949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project PLN(ap) != 4 || HLN(ap) == 0) { 2792949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project ND_PRINT((ndo, "arp-#%d for proto #%d (%d) hardware #%d (%d)", 2802949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project op, pro, PLN(ap), hrd, HLN(ap))); 2812949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project return; 2822949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project } 2832949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project if (pro == ETHERTYPE_TRAIL) 2842949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project ND_PRINT((ndo, "trailer-")); 2852949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project switch (op) { 2862949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 2872949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project case ARPOP_REQUEST: 2882949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project ND_PRINT((ndo, "arp who-has %s", ipaddr_string(TPA(ap)))); 2892949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project if (memcmp((const char *)ezero, (const char *)THA(ap), HLN(ap)) != 0) 2902949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project ND_PRINT((ndo, " (%s)", 2912949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project linkaddr_string(THA(ap), HLN(ap)))); 2922949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project ND_PRINT((ndo, " tell %s", ipaddr_string(SPA(ap)))); 2932949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project break; 2942949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 2952949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project case ARPOP_REPLY: 2962949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project ND_PRINT((ndo, "arp reply %s", ipaddr_string(SPA(ap)))); 2972949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project ND_PRINT((ndo, " is-at %s", linkaddr_string(SHA(ap), HLN(ap)))); 2982949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project break; 2992949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 3002949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project case ARPOP_REVREQUEST: 3012949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project ND_PRINT((ndo, "rarp who-is %s tell %s", 3022949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project linkaddr_string(THA(ap), HLN(ap)), 3032949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project linkaddr_string(SHA(ap), HLN(ap)))); 3042949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project break; 3052949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 3062949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project case ARPOP_REVREPLY: 3072949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project ND_PRINT((ndo, "rarp reply %s at %s", 3082949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project linkaddr_string(THA(ap), HLN(ap)), 3092949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project ipaddr_string(TPA(ap)))); 3102949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project break; 3112949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 3122949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project case ARPOP_INVREQUEST: 3132949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project ND_PRINT((ndo, "invarp who-is %s tell %s", 3142949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project linkaddr_string(THA(ap), HLN(ap)), 3152949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project linkaddr_string(SHA(ap), HLN(ap)))); 3162949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project break; 3172949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 3182949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project case ARPOP_INVREPLY: 3192949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project ND_PRINT((ndo,"invarp reply %s at %s", 3202949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project linkaddr_string(THA(ap), HLN(ap)), 3212949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project ipaddr_string(TPA(ap)))); 3222949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project break; 3232949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 3242949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project default: 3252949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project ND_PRINT((ndo, "arp-#%d", op)); 3262949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project ND_DEFAULTPRINT((const u_char *)ap, caplen); 3272949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project return; 3282949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project } 3292949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project if (hrd != ARPHRD_ETHER) 3302949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project ND_PRINT((ndo, " hardware #%d", hrd)); 3312949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project return; 3322949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Projecttrunc: 3332949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project ND_PRINT((ndo, "[|arp]")); 3342949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project} 3352949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 3362949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project/* 3372949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * Local Variables: 3382949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * c-style: bsd 3392949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * End: 3402949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project */ 3412949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 342