1/* 2 * Copyright (c) 1990, 1992, 1993, 1994, 1995, 1996, 1997 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that: (1) source code distributions 7 * retain the above copyright notice and this paragraph in its entirety, (2) 8 * distributions including binary code include the above copyright notice and 9 * this paragraph in its entirety in the documentation or other materials 10 * provided with the distribution, and (3) all advertising materials mentioning 11 * features or use of this software display the following acknowledgement: 12 * ``This product includes software developed by the University of California, 13 * Lawrence Berkeley Laboratory and its contributors.'' Neither the name of 14 * the University nor the names of its contributors may be used to endorse 15 * or promote products derived from this software without specific prior 16 * written permission. 17 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED 18 * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF 19 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. 20 */ 21 22#include "extract.h" 23 24#ifdef HAVE_CASPER 25#include <libcasper.h> 26extern cap_channel_t *capdns; 27#endif 28 29/* 30 * Definition to let us compile most of the IPv6 code even on systems 31 * without IPv6 support. 32 */ 33#ifndef INET6_ADDRSTRLEN 34#define INET6_ADDRSTRLEN 46 35#endif 36 37/* Name to address translation routines. */ 38 39enum { 40 LINKADDR_ETHER, 41 LINKADDR_FRELAY, 42 LINKADDR_IEEE1394, 43 LINKADDR_ATM, 44 LINKADDR_OTHER 45}; 46 47#define BUFSIZE 128 48 49extern const char *linkaddr_string(netdissect_options *, const uint8_t *, const unsigned int, const unsigned int); 50extern const char *etheraddr_string(netdissect_options *, const uint8_t *); 51extern const char *le64addr_string(netdissect_options *, const uint8_t *); 52extern const char *tcpport_string(netdissect_options *, u_short); 53extern const char *udpport_string(netdissect_options *, u_short); 54extern const char *isonsap_string(netdissect_options *, const uint8_t *, u_int); 55extern const char *dnaddr_string(netdissect_options *, u_short); 56extern const char *ipxsap_string(netdissect_options *, u_short); 57extern const char *ipaddr_string(netdissect_options *, const u_char *); 58extern const char *ip6addr_string(netdissect_options *, const u_char *); 59extern const char *intoa(uint32_t); 60 61extern void init_addrtoname(netdissect_options *, uint32_t, uint32_t); 62extern struct hnamemem *newhnamemem(netdissect_options *); 63extern struct h6namemem *newh6namemem(netdissect_options *); 64extern const char * ieee8021q_tci_string(const uint16_t); 65 66/* macro(s) and inline function(s) with setjmp/longjmp logic to call 67 * the X_string() function(s) after bounds checking. 68 * The macro(s) must be used on a packet buffer pointer. 69 */ 70 71static inline const char * 72get_linkaddr_string(netdissect_options *ndo, const uint8_t *p, 73 const unsigned int type, const unsigned int len) 74{ 75 if (!ND_TTEST_LEN(p, len)) 76 nd_trunc_longjmp(ndo); 77 return linkaddr_string(ndo, p, type, len); 78} 79 80static inline const char * 81get_etheraddr_string(netdissect_options *ndo, const uint8_t *p) 82{ 83 if (!ND_TTEST_LEN(p, MAC_ADDR_LEN)) 84 nd_trunc_longjmp(ndo); 85 return etheraddr_string(ndo, p); 86} 87 88static inline const char * 89get_le64addr_string(netdissect_options *ndo, const u_char *p) 90{ 91 if (!ND_TTEST_8(p)) 92 nd_trunc_longjmp(ndo); 93 return le64addr_string(ndo, p); 94} 95 96static inline const char * 97get_isonsap_string(netdissect_options *ndo, const uint8_t *nsap, 98 u_int nsap_length) 99{ 100 if (!ND_TTEST_LEN(nsap, nsap_length)) 101 nd_trunc_longjmp(ndo); 102 return isonsap_string(ndo, nsap, nsap_length); 103} 104 105static inline const char * 106get_ipaddr_string(netdissect_options *ndo, const u_char *p) 107{ 108 if (!ND_TTEST_4(p)) 109 nd_trunc_longjmp(ndo); 110 return ipaddr_string(ndo, p); 111} 112 113static inline const char * 114get_ip6addr_string(netdissect_options *ndo, const u_char *p) 115{ 116 if (!ND_TTEST_16(p)) 117 nd_trunc_longjmp(ndo); 118 return ip6addr_string(ndo, p); 119} 120 121#define GET_LINKADDR_STRING(p, type, len) get_linkaddr_string(ndo, (const u_char *)(p), type, len) 122#define GET_ETHERADDR_STRING(p) get_etheraddr_string(ndo, (const u_char *)(p)) 123#define GET_LE64ADDR_STRING(p) get_le64addr_string(ndo, (const u_char *)(p)) 124#define GET_ISONSAP_STRING(nsap, nsap_length) get_isonsap_string(ndo, (const u_char *)(nsap), nsap_length) 125#define GET_IPADDR_STRING(p) get_ipaddr_string(ndo, (const u_char *)(p)) 126#define GET_IP6ADDR_STRING(p) get_ip6addr_string(ndo, (const u_char *)(p)) 127