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> 26 extern 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 39 enum { 40 LINKADDR_ETHER, 41 LINKADDR_FRELAY, 42 LINKADDR_IEEE1394, 43 LINKADDR_ATM, 44 LINKADDR_OTHER 45 }; 46 47 #define BUFSIZE 128 48 49 extern const char *linkaddr_string(netdissect_options *, const uint8_t *, const unsigned int, const unsigned int); 50 extern const char *etheraddr_string(netdissect_options *, const uint8_t *); 51 extern const char *le64addr_string(netdissect_options *, const uint8_t *); 52 extern const char *tcpport_string(netdissect_options *, u_short); 53 extern const char *udpport_string(netdissect_options *, u_short); 54 extern const char *isonsap_string(netdissect_options *, const uint8_t *, u_int); 55 extern const char *dnaddr_string(netdissect_options *, u_short); 56 extern const char *ipxsap_string(netdissect_options *, u_short); 57 extern const char *ipaddr_string(netdissect_options *, const u_char *); 58 extern const char *ip6addr_string(netdissect_options *, const u_char *); 59 extern const char *intoa(uint32_t); 60 61 extern void init_addrtoname(netdissect_options *, uint32_t, uint32_t); 62 extern struct hnamemem *newhnamemem(netdissect_options *); 63 extern struct h6namemem *newh6namemem(netdissect_options *); 64 extern 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 71 static inline const char * 72 get_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 80 static inline const char * 81 get_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 88 static inline const char * 89 get_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 96 static inline const char * 97 get_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 } 104 105 static inline const char * 106 get_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 } 112 113 static inline const char * 114 get_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