tcpdump  4.99.1
About: tcpdump is a tool for network monitoring and data acquisition.
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addrtoname.h
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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 {
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 *
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 *
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 *
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))
const char * udpport_string(netdissect_options *, u_short)
Definition: addrtoname.c:761
const char * etheraddr_string(netdissect_options *, const uint8_t *)
Definition: addrtoname.c:591
const char * ieee8021q_tci_string(const uint16_t)
Definition: addrtoname.c:1325
@ LINKADDR_OTHER
Definition: addrtoname.h:39
@ LINKADDR_FRELAY
Definition: addrtoname.h:36
@ LINKADDR_ETHER
Definition: addrtoname.h:35
@ LINKADDR_IEEE1394
Definition: addrtoname.h:37
@ LINKADDR_ATM
Definition: addrtoname.h:38
void init_addrtoname(netdissect_options *, uint32_t, uint32_t)
Definition: addrtoname.c:1247
static const char * get_linkaddr_string(netdissect_options *ndo, const uint8_t *p, const unsigned int type, const unsigned int len)
Definition: addrtoname.h:67
struct h6namemem * newh6namemem(netdissect_options *)
Definition: addrtoname.c:1305
static const char * get_etheraddr_string(netdissect_options *ndo, const uint8_t *p)
Definition: addrtoname.h:76
const char * isonsap_string(netdissect_options *, const uint8_t *, u_int)
Definition: addrtoname.c:708
static const char * get_ipaddr_string(netdissect_options *ndo, const u_char *p)
Definition: addrtoname.h:101
static const char * get_le64addr_string(netdissect_options *ndo, const u_char *p)
Definition: addrtoname.h:84
const char * le64addr_string(netdissect_options *, const uint8_t *)
Definition: addrtoname.c:643
const char * ip6addr_string(netdissect_options *, const u_char *)
Definition: addrtoname.c:338
const char * ipaddr_string(netdissect_options *, const u_char *)
Definition: addrtoname.c:279
const char * tcpport_string(netdissect_options *, u_short)
Definition: addrtoname.c:739
static const char * get_isonsap_string(netdissect_options *ndo, const uint8_t *nsap, u_int nsap_length)
Definition: addrtoname.h:92
const char * linkaddr_string(netdissect_options *, const uint8_t *, const unsigned int, const unsigned int)
Definition: addrtoname.c:673
const char * intoa(uint32_t)
Definition: addrtoname.c:225
static const char * get_ip6addr_string(netdissect_options *ndo, const u_char *p)
Definition: addrtoname.h:109
const char * ipxsap_string(netdissect_options *, u_short)
Definition: addrtoname.c:783
struct hnamemem * newhnamemem(netdissect_options *)
Definition: addrtoname.c:1285
const char * dnaddr_string(netdissect_options *, u_short)
Definition: addrtoname.c:1267
#define ND_TTEST_16(p)
Definition: extract.h:575
#define ND_TTEST_8(p)
Definition: extract.h:572
static void nd_trunc_longjmp(netdissect_options *ndo)
Definition: extract.h:579
#define ND_TTEST_4(p)
Definition: extract.h:560
#define ND_TTEST_LEN(p, l)
Definition: netdissect.h:356
#define MAC_ADDR_LEN
Definition: netdissect.h:102