12949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project/* 22949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * Copyright (c) 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 2000 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#ifndef lint 222949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Projectstatic const char rcsid[] _U_ = 232949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project "@(#) $Header: /tcpdump/master/tcpdump/print-symantec.c,v 1.4.2.1 2005/07/07 01:24:39 guy Exp $ (LBL)"; 242949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#endif 252949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 262949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#ifdef HAVE_CONFIG_H 272949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#include "config.h" 282949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#endif 292949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 302949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#include <tcpdump-stdinc.h> 312949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 322949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#include <stdio.h> 332949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#include <pcap.h> 342949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 352949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#include "interface.h" 362949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#include "addrtoname.h" 372949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#include "ethertype.h" 382949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 392949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#include "ether.h" 402949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 412949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Projectstruct symantec_header { 422949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project u_int8_t stuff1[6]; 432949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project u_int16_t ether_type; 442949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project u_int8_t stuff2[36]; 452949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project}; 462949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 472949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Projectstatic inline void 482949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Projectsymantec_hdr_print(register const u_char *bp, u_int length) 492949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project{ 502949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project register const struct symantec_header *sp; 512949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project u_int16_t etype; 522949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 532949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project sp = (const struct symantec_header *)bp; 542949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 552949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project etype = ntohs(sp->ether_type); 562949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project if (!qflag) { 572949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project if (etype <= ETHERMTU) 582949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project (void)printf("invalid ethertype %u", etype); 592949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project else 602949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project (void)printf("ethertype %s (0x%04x)", 612949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project tok2str(ethertype_values,"Unknown", etype), 622949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project etype); 632949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project } else { 642949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project if (etype <= ETHERMTU) 652949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project (void)printf("invalid ethertype %u", etype); 662949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project else 672949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project (void)printf("%s", tok2str(ethertype_values,"Unknown Ethertype (0x%04x)", etype)); 682949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project } 692949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 702949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project (void)printf(", length %u: ", length); 712949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project} 722949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 732949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project/* 742949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * This is the top level routine of the printer. 'p' points 752949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * to the ether header of the packet, 'h->ts' is the timestamp, 762949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * 'h->len' is the length of the packet off the wire, and 'h->caplen' 772949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * is the number of bytes actually captured. 782949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project */ 792949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Projectu_int 802949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Projectsymantec_if_print(const struct pcap_pkthdr *h, const u_char *p) 812949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project{ 822949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project u_int length = h->len; 832949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project u_int caplen = h->caplen; 842949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project struct symantec_header *sp; 852949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project u_short ether_type; 862949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project u_short extracted_ether_type; 872949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 882949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project if (caplen < sizeof (struct symantec_header)) { 892949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project printf("[|symantec]"); 902949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project return caplen; 912949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project } 922949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 932949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project if (eflag) 942949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project symantec_hdr_print(p, length); 952949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 962949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project length -= sizeof (struct symantec_header); 972949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project caplen -= sizeof (struct symantec_header); 982949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project sp = (struct symantec_header *)p; 992949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project p += sizeof (struct symantec_header); 1002949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 1012949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project ether_type = ntohs(sp->ether_type); 1022949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 1032949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project if (ether_type <= ETHERMTU) { 1042949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project /* ether_type not known, print raw packet */ 1052949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project if (!eflag) 1062949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project symantec_hdr_print((u_char *)sp, length + sizeof (struct symantec_header)); 1072949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 1082949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project if (!suppress_default_print) 1092949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project default_print(p, caplen); 1102949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project } else if (ether_encap_print(ether_type, p, length, caplen, 1112949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project &extracted_ether_type) == 0) { 1122949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project /* ether_type not known, print raw packet */ 1132949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project if (!eflag) 1142949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project symantec_hdr_print((u_char *)sp, length + sizeof (struct symantec_header)); 1152949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 1162949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project if (!suppress_default_print) 1172949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project default_print(p, caplen); 1182949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project } 1192949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 1202949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project return (sizeof (struct symantec_header)); 1212949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project} 122