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 /* 25 * Definition to let us compile most of the IPv6 code even on systems 26 * without IPv6 support. 27 */ 28 #ifndef INET6_ADDRSTRLEN 29 #define INET6_ADDRSTRLEN 46 30 #endif 31 32 /* Name to address translation routines. */ 33 34 enum { 35 LINKADDR_ETHER, 36 LINKADDR_FRELAY, 37 LINKADDR_IEEE1394, 38 LINKADDR_ATM, 39 LINKADDR_OTHER 40 }; 41 42 #define BUFSIZE 128 43 44 extern const char *linkaddr_string(netdissect_options *, const uint8_t *, const unsigned int, const unsigned int); 45 extern const char *etheraddr_string(netdissect_options *, const uint8_t *); 46 extern const char *le64addr_string(netdissect_options *, const uint8_t *); 47 extern const char *tcpport_string(netdissect_options *, u_short); 48 extern const char *udpport_string(netdissect_options *, u_short); 49 extern const char *isonsap_string(netdissect_options *, const uint8_t *, u_int); 50 extern const char *dnaddr_string(netdissect_options *, u_short); 51 extern const char *ipxsap_string(netdissect_options *, u_short); 52 extern const char *ipaddr_string(netdissect_options *, const u_char *); 53 extern const char *ip6addr_string(netdissect_options *, const u_char *); 54 extern const char *intoa(uint32_t); 55 56 extern void init_addrtoname(netdissect_options *, uint32_t, uint32_t); 57 extern struct hnamemem *newhnamemem(netdissect_options *); 58 extern struct h6namemem *newh6namemem(netdissect_options *); 59 extern const char * ieee8021q_tci_string(const uint16_t); 60 61 /* macro(s) and inline function(s) with setjmp/longjmp logic to call 62 * the X_string() function(s) after bounds checking. 63 * The macro(s) must be used on a packet buffer pointer. 64 */ 65 66 static inline const char * 67 get_linkaddr_string(netdissect_options *ndo, const uint8_t *p, 68 const unsigned int type, const unsigned int len) 69 { 70 if (!ND_TTEST_LEN(p, len)) 71 nd_trunc_longjmp(ndo); 72 return linkaddr_string(ndo, p, type, len); 73 } 74 75 static inline const char * 76 get_etheraddr_string(netdissect_options *ndo, const uint8_t *p) 77 { 78 if (!ND_TTEST_LEN(p, MAC_ADDR_LEN)) 79 nd_trunc_longjmp(ndo); 80 return etheraddr_string(ndo, p); 81 } 82 83 static inline const char * 84 get_le64addr_string(netdissect_options *ndo, const u_char *p) 85 { 86 if (!ND_TTEST_8(p)) 87 nd_trunc_longjmp(ndo); 88 return le64addr_string(ndo, p); 89 } 90 91 static inline const char * 92 get_isonsap_string(netdissect_options *ndo, const uint8_t *nsap, 93 u_int nsap_length) 94 { 95 if (!ND_TTEST_LEN(nsap, nsap_length)) 96 nd_trunc_longjmp(ndo); 97 return isonsap_string(ndo, nsap, nsap_length); 98 } 99 100 static inline const char * 101 get_ipaddr_string(netdissect_options *ndo, const u_char *p) 102 { 103 if (!ND_TTEST_4(p)) 104 nd_trunc_longjmp(ndo); 105 return ipaddr_string(ndo, p); 106 } 107 108 static inline const char * 109 get_ip6addr_string(netdissect_options *ndo, const u_char *p) 110 { 111 if (!ND_TTEST_16(p)) 112 nd_trunc_longjmp(ndo); 113 return ip6addr_string(ndo, p); 114 } 115 116 #define GET_LINKADDR_STRING(p, type, len) get_linkaddr_string(ndo, (const u_char *)(p), type, len) 117 #define GET_ETHERADDR_STRING(p) get_etheraddr_string(ndo, (const u_char *)(p)) 118 #define GET_LE64ADDR_STRING(p) get_le64addr_string(ndo, (const u_char *)(p)) 119 #define GET_ISONSAP_STRING(nsap, nsap_length) get_isonsap_string(ndo, (const u_char *)(nsap), nsap_length) 120 #define GET_IPADDR_STRING(p) get_ipaddr_string(ndo, (const u_char *)(p)) 121 #define GET_IP6ADDR_STRING(p) get_ip6addr_string(ndo, (const u_char *)(p)) 122