12949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project/* $NetBSD: print-ah.c,v 1.4 1996/05/20 00:41:16 fvdl Exp $ */ 22949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 32949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project/* 42949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * Copyright (c) 1988, 1989, 1990, 1991, 1992, 1993, 1994 52949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * The Regents of the University of California. All rights reserved. 62949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * 72949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * Redistribution and use in source and binary forms, with or without 82949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * modification, are permitted provided that: (1) source code distributions 92949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * retain the above copyright notice and this paragraph in its entirety, (2) 102949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * distributions including binary code include the above copyright notice and 112949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * this paragraph in its entirety in the documentation or other materials 122949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * provided with the distribution, and (3) all advertising materials mentioning 132949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * features or use of this software display the following acknowledgement: 142949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * ``This product includes software developed by the University of California, 152949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * Lawrence Berkeley Laboratory and its contributors.'' Neither the name of 162949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * the University nor the names of its contributors may be used to endorse 172949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * or promote products derived from this software without specific prior 182949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * written permission. 192949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED 202949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF 212949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. 222949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project */ 232949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 242949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#ifndef lint 252949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Projectstatic const char rcsid[] _U_ = 2653f17a9db278d33517d9888dd77848f554522a38JP Abgrall "@(#) $Header: /tcpdump/master/tcpdump/print-ah.c,v 1.22 2003-11-19 00:36:06 guy Exp $ (LBL)"; 272949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#endif 282949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 292949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#ifdef HAVE_CONFIG_H 302949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#include "config.h" 312949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#endif 322949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 332949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#include <tcpdump-stdinc.h> 342949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 352949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#include <stdio.h> 362949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 372949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#include "ah.h" 382949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 392949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#include "interface.h" 402949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#include "addrtoname.h" 412949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#include "extract.h" 422949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 432949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Projectint 442949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Projectah_print(register const u_char *bp) 452949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project{ 462949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project register const struct ah *ah; 472949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project register const u_char *ep; 482949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project int sumlen; 492949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project u_int32_t spi; 502949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 512949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project ah = (const struct ah *)bp; 522949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project ep = snapend; /* 'ep' points to the end of available data. */ 532949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 542949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project TCHECK(*ah); 552949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 562949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project sumlen = ah->ah_len << 2; 572949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project spi = EXTRACT_32BITS(&ah->ah_spi); 582949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 592949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project printf("AH(spi=0x%08x", spi); 602949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project if (vflag) 612949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project printf(",sumlen=%d", sumlen); 622949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project printf(",seq=0x%x", EXTRACT_32BITS(ah + 1)); 632949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project if (bp + sizeof(struct ah) + sumlen > ep) 642949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project fputs("[truncated]", stdout); 652949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project fputs("): ", stdout); 662949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 672949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project return sizeof(struct ah) + sumlen; 682949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project trunc: 692949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project fputs("[|AH]", stdout); 702949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project return -1; 712949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project} 72