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The Android Open Source Project2949f582009-03-03 19:30:46 -08001/*
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.
The Android Open Source Project2949f582009-03-03 19:30:46 -080020 */
21
Elliott Hughes820eced2021-08-20 18:00:50 -070022#include "extract.h"
23
Elliott Hughese2e3bd12017-05-15 10:59:29 -070024/*
Elliott Hughes820eced2021-08-20 18:00:50 -070025 * Definition to let us compile most of the IPv6 code even on systems
Elliott Hughese2e3bd12017-05-15 10:59:29 -070026 * without IPv6 support.
27 */
28#ifndef INET6_ADDRSTRLEN
29#define INET6_ADDRSTRLEN 46
30#endif
31
The Android Open Source Project2949f582009-03-03 19:30:46 -080032/* Name to address translation routines. */
33
JP Abgrall53f17a92014-02-12 14:02:41 -080034enum {
35 LINKADDR_ETHER,
36 LINKADDR_FRELAY,
37 LINKADDR_IEEE1394,
Elliott Hughescec480a2017-12-19 16:54:57 -080038 LINKADDR_ATM,
39 LINKADDR_OTHER
JP Abgrall53f17a92014-02-12 14:02:41 -080040};
41
42#define BUFSIZE 128
43
Elliott Hughes820eced2021-08-20 18:00:50 -070044extern const char *linkaddr_string(netdissect_options *, const uint8_t *, const unsigned int, const unsigned int);
45extern const char *etheraddr_string(netdissect_options *, const uint8_t *);
46extern const char *le64addr_string(netdissect_options *, const uint8_t *);
Elliott Hughese2e3bd12017-05-15 10:59:29 -070047extern const char *tcpport_string(netdissect_options *, u_short);
48extern const char *udpport_string(netdissect_options *, u_short);
Elliott Hughes820eced2021-08-20 18:00:50 -070049extern const char *isonsap_string(netdissect_options *, const uint8_t *, u_int);
Elliott Hughes892a68b2015-10-19 14:43:53 -070050extern const char *dnaddr_string(netdissect_options *, u_short);
Elliott Hughese2e3bd12017-05-15 10:59:29 -070051extern const char *ipxsap_string(netdissect_options *, u_short);
Elliott Hughes820eced2021-08-20 18:00:50 -070052extern const char *ipaddr_string(netdissect_options *, const u_char *);
53extern const char *ip6addr_string(netdissect_options *, const u_char *);
Elliott Hughes892a68b2015-10-19 14:43:53 -070054extern const char *intoa(uint32_t);
The Android Open Source Project2949f582009-03-03 19:30:46 -080055
Elliott Hughes892a68b2015-10-19 14:43:53 -070056extern void init_addrtoname(netdissect_options *, uint32_t, uint32_t);
Elliott Hughese2e3bd12017-05-15 10:59:29 -070057extern struct hnamemem *newhnamemem(netdissect_options *);
58extern struct h6namemem *newh6namemem(netdissect_options *);
Elliott Hughes892a68b2015-10-19 14:43:53 -070059extern const char * ieee8021q_tci_string(const uint16_t);
The Android Open Source Project2949f582009-03-03 19:30:46 -080060
Elliott Hughes820eced2021-08-20 18:00:50 -070061/* 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
66static inline const char *
67get_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
75static inline const char *
76get_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
83static inline const char *
84get_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
91static inline const char *
92get_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
100static inline const char *
101get_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
108static inline const char *
109get_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))