print-cdp.c revision 2949f58a438f6fd85f66a8b7ed4708042cde4b37
12949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project/* 22949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * Copyright (c) 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 * Code by Gert Doering, SpaceNet GmbH, gert@space.net 222949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * 232949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * Reference documentation: 242949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * http://www.cisco.com/univercd/cc/td/doc/product/lan/trsrb/frames.htm 252949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project */ 262949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 272949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#ifndef lint 282949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Projectstatic const char rcsid[] _U_ = 292949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project "@(#) $Header: /tcpdump/master/tcpdump/print-cdp.c,v 1.25 2004/10/07 14:53:11 hannes Exp $"; 302949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#endif 312949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 322949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#ifdef HAVE_CONFIG_H 332949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#include "config.h" 342949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#endif 352949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 362949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#include <tcpdump-stdinc.h> 372949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 382949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#include <stdio.h> 392949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#include <string.h> 402949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 412949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#include "interface.h" 422949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#include "addrtoname.h" 432949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#include "extract.h" /* must come after interface.h */ 442949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#include "nlpid.h" 452949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 462949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#define CDP_HEADER_LEN 4 472949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 482949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Projectstatic struct tok cdp_tlv_values[] = { 492949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project { 0x01, "Device-ID"}, 502949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project { 0x02, "Address"}, 512949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project { 0x03, "Port-ID"}, 522949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project { 0x04, "Capability"}, 532949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project { 0x05, "Version String"}, 542949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project { 0x06, "Platform"}, 552949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project { 0x07, "Prefixes"}, 562949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project { 0x08, "Protocol-Hello option"}, 572949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project { 0x09, "VTP Management Domain"}, 582949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project { 0x0a, "Native VLAN ID"}, 592949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project { 0x0b, "Duplex"}, 602949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project { 0x0e, "ATA-186 VoIP VLAN request"}, 612949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project { 0x0f, "ATA-186 VoIP VLAN assignment"}, 622949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project { 0x10, "power consumption"}, 632949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project { 0x11, "MTU"}, 642949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project { 0x12, "AVVID trust bitmap"}, 652949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project { 0x13, "AVVID untrusted ports CoS"}, 662949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project { 0x14, "System Name"}, 672949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project { 0x15, "System Object ID (not decoded)"}, 682949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project { 0x16, "Management Addresses"}, 692949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project { 0x17, "Physical Location"}, 702949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project { 0, NULL} 712949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project}; 722949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 732949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Projectstatic struct tok cdp_capability_values[] = { 742949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project { 0x01, "Router" }, 752949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project { 0x02, "Transparent Bridge" }, 762949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project { 0x04, "Source Route Bridge" }, 772949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project { 0x08, "L2 Switch" }, 782949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project { 0x10, "L3 capable" }, 792949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project { 0x20, "IGMP snooping" }, 802949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project { 0x40, "L1 capable" }, 812949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project { 0, NULL } 822949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project}; 832949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 842949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Projectstatic int cdp_print_addr(const u_char *, int); 852949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Projectstatic int cdp_print_prefixes(const u_char *, int); 862949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Projectstatic unsigned long cdp_get_number(const u_char *, int); 872949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 882949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Projectvoid 892949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Projectcdp_print(const u_char *pptr, u_int length, u_int caplen) 902949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project{ 912949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project int type, len, i, j; 922949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project const u_char *tptr; 932949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 942949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project if (caplen < CDP_HEADER_LEN) { 952949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project (void)printf("[|cdp]"); 962949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project return; 972949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project } 982949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 992949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project tptr = pptr; /* temporary pointer */ 1002949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 1012949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project if (!TTEST2(*tptr, CDP_HEADER_LEN)) 1022949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project goto trunc; 1032949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project printf("CDPv%u, ttl: %us", *tptr, *(tptr+1)); 1042949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project if (vflag) 1052949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project printf(", checksum: %u (unverified), length %u", EXTRACT_16BITS(tptr), length); 1062949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project tptr += CDP_HEADER_LEN; 1072949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 1082949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project while (tptr < (pptr+length)) { 1092949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 1102949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project if (!TTEST2(*tptr, 4)) /* read out Type and Length */ 1112949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project goto trunc; 1122949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project type = EXTRACT_16BITS(tptr); 1132949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project len = EXTRACT_16BITS(tptr+2); /* object length includes the 4 bytes header length */ 1142949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project tptr += 4; 1152949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project len -= 4; 1162949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 1172949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project if (!TTEST2(*tptr, len)) 1182949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project goto trunc; 1192949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 1202949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project if (vflag || type == 1) { /* in non-verbose mode just print Device-ID */ 1212949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 1222949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project if (vflag) 1232949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project printf("\n\t%s (0x%02x), length: %u byte%s: ", 1242949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project tok2str(cdp_tlv_values,"unknown field type", type), 1252949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project type, 1262949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project len, 1272949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project len>1 ? "s" : ""); /* plural */ 1282949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 1292949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project switch (type) { 1302949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 1312949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project case 0x01: /* Device-ID */ 1322949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project if (!vflag) 1332949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project printf(", Device-ID '%.*s'", len, tptr); 1342949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project else 1352949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project printf("'%.*s'", len, tptr); 1362949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project break; 1372949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project case 0x02: /* Address */ 1382949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project if (cdp_print_addr(tptr, len) < 0) 1392949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project goto trunc; 1402949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project break; 1412949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project case 0x03: /* Port-ID */ 1422949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project printf("'%.*s'", len, tptr); 1432949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project break; 1442949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project case 0x04: /* Capabilities */ 1452949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project printf("(0x%08x): %s", 1462949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project EXTRACT_32BITS(tptr), 1472949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project bittok2str(cdp_capability_values, "none",EXTRACT_32BITS(tptr))); 1482949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project break; 1492949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project case 0x05: /* Version */ 1502949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project printf("\n\t "); 1512949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project for (i=0;i<len;i++) { 1522949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project j = *(tptr+i); 1532949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project putchar(j); 1542949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project if (j == 0x0a) /* lets rework the version string to get a nice identation */ 1552949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project printf("\t "); 1562949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project } 1572949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project break; 1582949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project case 0x06: /* Platform */ 1592949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project printf("'%.*s'", len, tptr); 1602949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project break; 1612949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project case 0x07: /* Prefixes */ 1622949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project if (cdp_print_prefixes(tptr, len) < 0) 1632949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project goto trunc; 1642949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project break; 1652949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project case 0x08: /* Protocol Hello Option - not documented */ 1662949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project break; 1672949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project case 0x09: /* VTP Mgmt Domain - not documented */ 1682949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project printf("'%.*s'", len,tptr); 1692949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project break; 1702949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project case 0x0a: /* Native VLAN ID - not documented */ 1712949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project printf("%d",EXTRACT_16BITS(tptr)); 1722949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project break; 1732949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project case 0x0b: /* Duplex - not documented */ 1742949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project printf("%s", *(tptr) ? "full": "half"); 1752949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project break; 1762949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 1772949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project /* http://www.cisco.com/univercd/cc/td/doc/product/voice/ata/atarn/186rn21m.htm 1782949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * plus more details from other sources 1792949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project */ 1802949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project case 0x0e: /* ATA-186 VoIP VLAN request - incomplete doc. */ 1812949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project printf("app %d, vlan %d", 1822949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project *(tptr), EXTRACT_16BITS(tptr+1)); 1832949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project break; 1842949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project case 0x10: /* ATA-186 VoIP VLAN assignment - incomplete doc. */ 1852949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project printf("%1.2fW", 1862949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project cdp_get_number(tptr, len)/1000.0 ); 1872949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project break; 1882949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project case 0x11: /* MTU - not documented */ 1892949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project printf("%u bytes", EXTRACT_32BITS(tptr)); 1902949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project break; 1912949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project case 0x12: /* AVVID trust bitmap - not documented */ 1922949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project printf("0x%02x", *(tptr) ); 1932949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project break; 1942949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project case 0x13: /* AVVID untrusted port CoS - not documented */ 1952949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project printf("0x%02x", *(tptr)); 1962949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project break; 1972949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project case 0x14: /* System Name - not documented */ 1982949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project printf("'%.*s'", len, tptr); 1992949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project break; 2002949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project case 0x16: /* System Object ID - not documented */ 2012949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project if (cdp_print_addr(tptr, len) < 0) 2022949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project goto trunc; 2032949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project break; 2042949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project case 0x17: /* Physical Location - not documented */ 2052949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project printf("0x%02x/%.*s", *(tptr), len - 1, tptr + 1 ); 2062949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project break; 2072949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project default: 2082949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project print_unknown_data(tptr,"\n\t ",len); 2092949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project break; 2102949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project } 2112949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project } 2122949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project /* avoid infinite loop */ 2132949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project if (len == 0) 2142949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project break; 2152949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project tptr = tptr+len; 2162949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project } 2172949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project if (vflag < 1) 2182949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project printf(", length %u",caplen); 2192949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 2202949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project return; 2212949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Projecttrunc: 2222949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project printf("[|cdp]"); 2232949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project} 2242949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 2252949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project/* 2262949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * Protocol type values. 2272949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * 2282949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * PT_NLPID means that the protocol type field contains an OSI NLPID. 2292949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * 2302949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * PT_IEEE_802_2 means that the protocol type field contains an IEEE 802.2 2312949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * LLC header that specifies that the payload is for that protocol. 2322949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project */ 2332949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#define PT_NLPID 1 /* OSI NLPID */ 2342949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#define PT_IEEE_802_2 2 /* IEEE 802.2 LLC header */ 2352949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 2362949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Projectstatic int 2372949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Projectcdp_print_addr(const u_char * p, int l) 2382949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project{ 2392949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project int pt, pl, al, num; 2402949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project const u_char *endp = p + l; 2412949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#ifdef INET6 2422949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project static u_char prot_ipv6[] = { 2432949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 0xaa, 0xaa, 0x03, 0x00, 0x00, 0x00, 0x86, 0xdd 2442949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project }; 2452949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#endif 2462949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 2472949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project TCHECK2(*p, 2); 2482949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project num = EXTRACT_32BITS(p); 2492949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project p += 4; 2502949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 2512949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project while (p < endp && num >= 0) { 2522949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project TCHECK2(*p, 2); 2532949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project if (p + 2 > endp) 2542949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project goto trunc; 2552949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project pt = p[0]; /* type of "protocol" field */ 2562949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project pl = p[1]; /* length of "protocol" field */ 2572949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project p += 2; 2582949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 2592949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project TCHECK2(p[pl], 2); 2602949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project if (p + pl + 2 > endp) 2612949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project goto trunc; 2622949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project al = EXTRACT_16BITS(&p[pl]); /* address length */ 2632949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 2642949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project if (pt == PT_NLPID && pl == 1 && *p == NLPID_IP && al == 4) { 2652949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project /* 2662949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * IPv4: protocol type = NLPID, protocol length = 1 2672949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * (1-byte NLPID), protocol = 0xcc (NLPID for IPv4), 2682949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * address length = 4 2692949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project */ 2702949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project p += 3; 2712949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 2722949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project TCHECK2(*p, 4); 2732949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project if (p + 4 > endp) 2742949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project goto trunc; 2752949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project printf("IPv4 (%u) %s", 2762949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project num, 2772949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project ipaddr_string(p)); 2782949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project p += 4; 2792949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project } 2802949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#ifdef INET6 2812949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project else if (pt == PT_IEEE_802_2 && pl == 8 && 2822949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project memcmp(p, prot_ipv6, 8) == 0 && al == 16) { 2832949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project /* 2842949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * IPv6: protocol type = IEEE 802.2 header, 2852949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * protocol length = 8 (size of LLC+SNAP header), 2862949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * protocol = LLC+SNAP header with the IPv6 2872949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * Ethertype, address length = 16 2882949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project */ 2892949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project p += 10; 2902949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project TCHECK2(*p, al); 2912949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project if (p + al > endp) 2922949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project goto trunc; 2932949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 2942949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project printf("IPv6 (%u) %s", 2952949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project num, 2962949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project ip6addr_string(p)); 2972949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project p += al; 2982949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project } 2992949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project#endif 3002949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project else { 3012949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project /* 3022949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * Generic case: just print raw data 3032949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project */ 3042949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project TCHECK2(*p, pl); 3052949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project if (p + pl > endp) 3062949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project goto trunc; 3072949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project printf("pt=0x%02x, pl=%d, pb=", *(p - 2), pl); 3082949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project while (pl-- > 0) 3092949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project printf(" %02x", *p++); 3102949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project TCHECK2(*p, 2); 3112949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project if (p + 2 > endp) 3122949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project goto trunc; 3132949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project al = (*p << 8) + *(p + 1); 3142949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project printf(", al=%d, a=", al); 3152949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project p += 2; 3162949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project TCHECK2(*p, al); 3172949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project if (p + al > endp) 3182949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project goto trunc; 3192949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project while (al-- > 0) 3202949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project printf(" %02x", *p++); 3212949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project } 3222949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project num--; 3232949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project if (num) 3242949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project printf(" "); 3252949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project } 3262949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 3272949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project return 0; 3282949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 3292949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Projecttrunc: 3302949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project return -1; 3312949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project} 3322949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 3332949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 3342949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Projectstatic int 3352949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Projectcdp_print_prefixes(const u_char * p, int l) 3362949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project{ 3372949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project if (l % 5) 3382949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project goto trunc; 3392949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 3402949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project printf(" IPv4 Prefixes (%d):", l / 5); 3412949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 3422949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project while (l > 0) { 3432949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project printf(" %u.%u.%u.%u/%u", p[0], p[1], p[2], p[3], p[4]); 3442949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project l -= 5; 3452949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project p += 5; 3462949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project } 3472949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 3482949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project return 0; 3492949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 3502949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Projecttrunc: 3512949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project return -1; 3522949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project} 3532949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project 3542949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project/* read in a <n>-byte number, MSB first 3552949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project * (of course this can handle max sizeof(long)) 3562949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project */ 3572949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Projectstatic unsigned long cdp_get_number(const u_char * p, int l) 3582949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project{ 3592949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project unsigned long res=0; 3602949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project while( l>0 ) 3612949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project { 3622949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project res = (res<<8) + *p; 3632949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project p++; l--; 3642949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project } 3652949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project return res; 3662949f58a438f6fd85f66a8b7ed4708042cde4b37The Android Open Source Project} 367