12949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project/* Copyright (c) 2001 NETLAB, Temple University 22949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * Copyright (c) 2001 Protocol Engineering Lab, University of Delaware 32949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * 42949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * Jerry Heinz <gheinz@astro.temple.edu> 52949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * John Fiore <jfiore@joda.cis.temple.edu> 62949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * Armando L. Caro Jr. <acaro@cis.udel.edu> 72949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * 82949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * Redistribution and use in source and binary forms, with or without 92949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * modification, are permitted provided that the following conditions 102949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * are met: 112949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * 122949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * 1. Redistributions of source code must retain the above copyright 132949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * notice, this list of conditions and the following disclaimer. 142949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * 152949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * 2. Redistributions in binary form must reproduce the above copyright 162949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * notice, this list of conditions and the following disclaimer in the 172949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * documentation and/or other materials provided with the distribution. 182949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * 192949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * 3. Neither the name of the University nor of the Laboratory may be used 202949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * to endorse or promote products derived from this software without 212949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * specific prior written permission. 222949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * 232949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 242949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 252949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 262949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 272949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 282949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 292949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 302949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 312949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 322949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 332949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * SUCH DAMAGE. 342949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project */ 352949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 362949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#ifndef lint 372949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Projectstatic const char rcsid[] _U_ = 382949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project"@(#) $Header: /tcpdump/master/tcpdump/print-sctp.c,v 1.16.2.5 2007/09/13 18:04:58 guy Exp $ (NETLAB/PEL)"; 392949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#endif 402949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 412949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#ifdef HAVE_CONFIG_H 422949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#include "config.h" 432949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#endif 442949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 452949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#include <tcpdump-stdinc.h> 462949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 472949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#include "sctpHeader.h" 482949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#include "sctpConstants.h" 492949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#include <assert.h> 502949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 512949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#include <stdio.h> 522949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#include <string.h> 532949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 542949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#include "interface.h" 552949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#include "addrtoname.h" 562949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#include "extract.h" /* must come after interface.h */ 572949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#include "ip.h" 582949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#ifdef INET6 592949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#include "ip6.h" 602949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#endif 612949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 622949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Projectvoid sctp_print(const u_char *bp, /* beginning of sctp packet */ 632949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project const u_char *bp2, /* beginning of enclosing */ 642949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project u_int sctpPacketLength) /* ip packet */ 652949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project{ 662949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project const struct sctpHeader *sctpPktHdr; 672949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project const struct ip *ip; 682949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#ifdef INET6 692949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project const struct ip6_hdr *ip6; 702949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#endif 712949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project const void *endPacketPtr; 722949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project u_short sourcePort, destPort; 732949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project int chunkCount; 742949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project const struct sctpChunkDesc *chunkDescPtr; 752949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project const void *nextChunk; 762949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project const char *sep; 772949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 782949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project sctpPktHdr = (const struct sctpHeader*) bp; 792949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project endPacketPtr = (const u_char*)sctpPktHdr+sctpPacketLength; 802949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 812949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project if( (u_long) endPacketPtr > (u_long) snapend) 822949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project endPacketPtr = (const void *) snapend; 832949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project ip = (struct ip *)bp2; 842949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#ifdef INET6 852949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project if (IP_V(ip) == 6) 862949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project ip6 = (const struct ip6_hdr *)bp2; 872949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project else 882949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project ip6 = NULL; 892949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#endif /*INET6*/ 902949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project TCHECK(*sctpPktHdr); 912949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 922949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project if (sctpPacketLength < sizeof(struct sctpHeader)) 932949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project { 942949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project (void)printf("truncated-sctp - %ld bytes missing!", 952949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project (long)sctpPacketLength-sizeof(struct sctpHeader)); 962949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project return; 972949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project } 982949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 992949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project /* sctpPacketLength -= sizeof(struct sctpHeader); packet length */ 1002949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project /* is now only as long as the payload */ 1012949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 1022949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project sourcePort = EXTRACT_16BITS(&sctpPktHdr->source); 1032949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project destPort = EXTRACT_16BITS(&sctpPktHdr->destination); 1042949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 1052949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#ifdef INET6 1062949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project if (ip6) { 1072949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project (void)printf("%s.%d > %s.%d: sctp", 1082949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project ip6addr_string(&ip6->ip6_src), 1092949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project sourcePort, 1102949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project ip6addr_string(&ip6->ip6_dst), 1112949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project destPort); 1122949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project } else 1132949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#endif /*INET6*/ 1142949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project { 1152949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project (void)printf("%s.%d > %s.%d: sctp", 1162949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project ipaddr_string(&ip->ip_src), 1172949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project sourcePort, 1182949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project ipaddr_string(&ip->ip_dst), 1192949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project destPort); 1202949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project } 1212949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project fflush(stdout); 1222949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 1232949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project if (vflag >= 2) 1242949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project sep = "\n\t"; 1252949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project else 1262949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project sep = " ("; 1272949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project /* cycle through all chunks, printing information on each one */ 1282949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project for (chunkCount = 0, 1292949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project chunkDescPtr = (const struct sctpChunkDesc *) 1302949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project ((const u_char*) sctpPktHdr + sizeof(struct sctpHeader)); 1312949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project chunkDescPtr != NULL && 1322949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project ( (const void *) 1332949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project ((const u_char *) chunkDescPtr + sizeof(struct sctpChunkDesc)) 1342949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project <= endPacketPtr); 1352949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 1362949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project chunkDescPtr = (const struct sctpChunkDesc *) nextChunk, chunkCount++) 1372949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project { 1382949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project u_int16_t chunkLength; 1392949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project const u_char *chunkEnd; 1402949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project u_int16_t align; 1412949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 1422949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project TCHECK(*chunkDescPtr); 1432949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project chunkLength = EXTRACT_16BITS(&chunkDescPtr->chunkLength); 1442949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project if (chunkLength < sizeof(*chunkDescPtr)) { 1452949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project printf("%s%d) [Bad chunk length %u]", sep, chunkCount+1, chunkLength); 1462949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project break; 1472949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project } 1482949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 1492949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project TCHECK2(*((u_int8_t *)chunkDescPtr), chunkLength); 1502949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project chunkEnd = ((const u_char*)chunkDescPtr + chunkLength); 1512949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 1522949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project align=chunkLength % 4; 1532949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project if (align != 0) 1542949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project align = 4 - align; 1552949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 1562949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project nextChunk = (const void *) (chunkEnd + align); 1572949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 1582949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project printf("%s%d) ", sep, chunkCount+1); 1592949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project switch (chunkDescPtr->chunkID) 1602949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project { 1612949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project case SCTP_DATA : 1622949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project { 1632949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project const struct sctpDataPart *dataHdrPtr; 1642949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 1652949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project printf("[DATA] "); 1662949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 1672949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project if ((chunkDescPtr->chunkFlg & SCTP_DATA_UNORDERED) 1682949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project == SCTP_DATA_UNORDERED) 1692949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project printf("(U)"); 1702949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 1712949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project if ((chunkDescPtr->chunkFlg & SCTP_DATA_FIRST_FRAG) 1722949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project == SCTP_DATA_FIRST_FRAG) 1732949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project printf("(B)"); 1742949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 1752949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project if ((chunkDescPtr->chunkFlg & SCTP_DATA_LAST_FRAG) 1762949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project == SCTP_DATA_LAST_FRAG) 1772949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project printf("(E)"); 1782949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 1792949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project if( ((chunkDescPtr->chunkFlg & SCTP_DATA_UNORDERED) 1802949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project == SCTP_DATA_UNORDERED) 1812949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project || 1822949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project ((chunkDescPtr->chunkFlg & SCTP_DATA_FIRST_FRAG) 1832949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project == SCTP_DATA_FIRST_FRAG) 1842949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project || 1852949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project ((chunkDescPtr->chunkFlg & SCTP_DATA_LAST_FRAG) 1862949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project == SCTP_DATA_LAST_FRAG) ) 1872949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project printf(" "); 1882949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 1892949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project dataHdrPtr=(const struct sctpDataPart*)(chunkDescPtr+1); 1902949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 1912949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project printf("[TSN: %u] ", EXTRACT_32BITS(&dataHdrPtr->TSN)); 1922949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project printf("[SID: %u] ", EXTRACT_16BITS(&dataHdrPtr->streamId)); 1932949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project printf("[SSEQ %u] ", EXTRACT_16BITS(&dataHdrPtr->sequence)); 1942949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project printf("[PPID 0x%x] ", EXTRACT_32BITS(&dataHdrPtr->payloadtype)); 1952949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project fflush(stdout); 1962949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 1972949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project if (vflag >= 2) /* if verbose output is specified */ 1982949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project { /* at the command line */ 1992949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project const u_char *payloadPtr; 2002949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 2012949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project printf("[Payload"); 2022949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 2032949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project if (!suppress_default_print) { 2042949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project payloadPtr = (const u_char *) (++dataHdrPtr); 2052949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project printf(":"); 2062949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project if (htons(chunkDescPtr->chunkLength) < 2072949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project sizeof(struct sctpDataPart)+ 2082949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project sizeof(struct sctpChunkDesc)+1) { 2092949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project /* Less than 1 byte of chunk payload */ 2102949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project printf("bogus chunk length %u]", 2112949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project htons(chunkDescPtr->chunkLength)); 2122949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project return; 2132949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project } 2142949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project default_print(payloadPtr, 2152949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project htons(chunkDescPtr->chunkLength) - 2162949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project (sizeof(struct sctpDataPart)+ 2172949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project sizeof(struct sctpChunkDesc))); 2182949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project } else 2192949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project printf("]"); 2202949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project } 2212949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project break; 2222949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project } 2232949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project case SCTP_INITIATION : 2242949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project { 2252949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project const struct sctpInitiation *init; 2262949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 2272949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project printf("[INIT] "); 2282949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project init=(const struct sctpInitiation*)(chunkDescPtr+1); 2292949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project printf("[init tag: %u] ", EXTRACT_32BITS(&init->initTag)); 2302949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project printf("[rwnd: %u] ", EXTRACT_32BITS(&init->rcvWindowCredit)); 2312949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project printf("[OS: %u] ", EXTRACT_16BITS(&init->NumPreopenStreams)); 2322949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project printf("[MIS: %u] ", EXTRACT_16BITS(&init->MaxInboundStreams)); 2332949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project printf("[init TSN: %u] ", EXTRACT_32BITS(&init->initialTSN)); 2342949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 2352949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#if(0) /* ALC you can add code for optional params here */ 2362949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project if( (init+1) < chunkEnd ) 2372949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project printf(" @@@@@ UNFINISHED @@@@@@%s\n", 2382949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project "Optional params present, but not printed."); 2392949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#endif 2402949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project break; 2412949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project } 2422949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project case SCTP_INITIATION_ACK : 2432949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project { 2442949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project const struct sctpInitiation *init; 2452949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 2462949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project printf("[INIT ACK] "); 2472949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project init=(const struct sctpInitiation*)(chunkDescPtr+1); 2482949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project printf("[init tag: %u] ", EXTRACT_32BITS(&init->initTag)); 2492949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project printf("[rwnd: %u] ", EXTRACT_32BITS(&init->rcvWindowCredit)); 2502949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project printf("[OS: %u] ", EXTRACT_16BITS(&init->NumPreopenStreams)); 2512949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project printf("[MIS: %u] ", EXTRACT_16BITS(&init->MaxInboundStreams)); 2522949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project printf("[init TSN: %u] ", EXTRACT_32BITS(&init->initialTSN)); 2532949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 2542949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#if(0) /* ALC you can add code for optional params here */ 2552949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project if( (init+1) < chunkEnd ) 2562949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project printf(" @@@@@ UNFINISHED @@@@@@%s\n", 2572949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project "Optional params present, but not printed."); 2582949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#endif 2592949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project break; 2602949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project } 2612949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project case SCTP_SELECTIVE_ACK: 2622949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project { 2632949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project const struct sctpSelectiveAck *sack; 2642949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project const struct sctpSelectiveFrag *frag; 2652949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project int fragNo, tsnNo; 2662949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project const u_char *dupTSN; 2672949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 2682949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project printf("[SACK] "); 2692949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project sack=(const struct sctpSelectiveAck*)(chunkDescPtr+1); 2702949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project printf("[cum ack %u] ", EXTRACT_32BITS(&sack->highestConseqTSN)); 2712949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project printf("[a_rwnd %u] ", EXTRACT_32BITS(&sack->updatedRwnd)); 2722949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project printf("[#gap acks %u] ", EXTRACT_16BITS(&sack->numberOfdesc)); 2732949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project printf("[#dup tsns %u] ", EXTRACT_16BITS(&sack->numDupTsns)); 2742949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 2752949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 2762949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project /* print gaps */ 2772949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project for (frag = ( (const struct sctpSelectiveFrag *) 2782949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project ((const struct sctpSelectiveAck *) sack+1)), 2792949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project fragNo=0; 2802949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project (const void *)frag < nextChunk && fragNo < EXTRACT_16BITS(&sack->numberOfdesc); 2812949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project frag++, fragNo++) 2822949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project printf("\n\t\t[gap ack block #%d: start = %u, end = %u] ", 2832949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project fragNo+1, 2842949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project EXTRACT_32BITS(&sack->highestConseqTSN) + EXTRACT_16BITS(&frag->fragmentStart), 2852949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project EXTRACT_32BITS(&sack->highestConseqTSN) + EXTRACT_16BITS(&frag->fragmentEnd)); 2862949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 2872949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 2882949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project /* print duplicate TSNs */ 2892949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project for (dupTSN = (const u_char *)frag, tsnNo=0; 2902949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project (const void *) dupTSN < nextChunk && tsnNo<EXTRACT_16BITS(&sack->numDupTsns); 2912949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project dupTSN += 4, tsnNo++) 2922949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project printf("\n\t\t[dup TSN #%u: %u] ", tsnNo+1, 2932949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project EXTRACT_32BITS(dupTSN)); 2942949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 2952949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project break; 2962949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project } 2972949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project case SCTP_HEARTBEAT_REQUEST : 2982949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project { 2992949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project const struct sctpHBsender *hb; 3002949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 3012949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project hb=(const struct sctpHBsender*)chunkDescPtr; 3022949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 3032949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project printf("[HB REQ] "); 3042949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 3052949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project break; 3062949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project } 3072949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project case SCTP_HEARTBEAT_ACK : 3082949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project printf("[HB ACK] "); 3092949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project break; 3102949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project case SCTP_ABORT_ASSOCIATION : 3112949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project printf("[ABORT] "); 3122949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project break; 3132949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project case SCTP_SHUTDOWN : 3142949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project printf("[SHUTDOWN] "); 3152949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project break; 3162949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project case SCTP_SHUTDOWN_ACK : 3172949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project printf("[SHUTDOWN ACK] "); 3182949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project break; 3192949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project case SCTP_OPERATION_ERR : 3202949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project printf("[OP ERR] "); 3212949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project break; 3222949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project case SCTP_COOKIE_ECHO : 3232949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project printf("[COOKIE ECHO] "); 3242949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project break; 3252949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project case SCTP_COOKIE_ACK : 3262949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project printf("[COOKIE ACK] "); 3272949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project break; 3282949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project case SCTP_ECN_ECHO : 3292949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project printf("[ECN ECHO] "); 3302949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project break; 3312949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project case SCTP_ECN_CWR : 3322949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project printf("[ECN CWR] "); 3332949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project break; 3342949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project case SCTP_SHUTDOWN_COMPLETE : 3352949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project printf("[SHUTDOWN COMPLETE] "); 3362949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project break; 3372949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project case SCTP_FORWARD_CUM_TSN : 3382949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project printf("[FOR CUM TSN] "); 3392949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project break; 3402949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project case SCTP_RELIABLE_CNTL : 3412949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project printf("[REL CTRL] "); 3422949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project break; 3432949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project case SCTP_RELIABLE_CNTL_ACK : 3442949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project printf("[REL CTRL ACK] "); 3452949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project break; 3462949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project default : 3472949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project printf("[Unknown chunk type: 0x%x]", chunkDescPtr->chunkID); 3482949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project return; 3492949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project } 3502949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 3512949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project if (vflag < 2) 3522949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project sep = ", ("; 3532949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project } 3542949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project return; 3552949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 3562949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Projecttrunc: 3572949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project printf("[|sctp]"); 3582949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project return; 3592949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project} 360