mirror of
https://github.com/the-tcpdump-group/tcpdump.git
synced 2024-11-24 02:23:27 +08:00
e5bf4ceec7
Address the warning below (specific to a few versions of Clang, CMake and FreeBSD) and update the exemption rule comment in build.sh. tcpdump.c:244:16: warning: no previous extern declaration for non-static variable 'capdns' [-Wmissing-variable-declarations]
127 lines
4.6 KiB
C
127 lines
4.6 KiB
C
/*
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* Copyright (c) 1990, 1992, 1993, 1994, 1995, 1996, 1997
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that: (1) source code distributions
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* retain the above copyright notice and this paragraph in its entirety, (2)
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* distributions including binary code include the above copyright notice and
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* this paragraph in its entirety in the documentation or other materials
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* provided with the distribution, and (3) all advertising materials mentioning
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* features or use of this software display the following acknowledgement:
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* ``This product includes software developed by the University of California,
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* Lawrence Berkeley Laboratory and its contributors.'' Neither the name of
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* the University nor the names of its contributors may be used to endorse
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* or promote products derived from this software without specific prior
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* written permission.
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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*/
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#include "extract.h"
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#ifdef HAVE_CASPER
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#include <libcasper.h>
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extern cap_channel_t *capdns;
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#endif
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/*
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* Definition to let us compile most of the IPv6 code even on systems
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* without IPv6 support.
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*/
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#ifndef INET6_ADDRSTRLEN
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#define INET6_ADDRSTRLEN 46
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#endif
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/* Name to address translation routines. */
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enum {
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LINKADDR_ETHER,
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LINKADDR_FRELAY,
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LINKADDR_IEEE1394,
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LINKADDR_ATM,
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LINKADDR_OTHER
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};
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#define BUFSIZE 128
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extern const char *linkaddr_string(netdissect_options *, const uint8_t *, const unsigned int, const unsigned int);
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extern const char *etheraddr_string(netdissect_options *, const uint8_t *);
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extern const char *le64addr_string(netdissect_options *, const uint8_t *);
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extern const char *tcpport_string(netdissect_options *, u_short);
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extern const char *udpport_string(netdissect_options *, u_short);
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extern const char *isonsap_string(netdissect_options *, const uint8_t *, u_int);
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extern const char *dnaddr_string(netdissect_options *, u_short);
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extern const char *ipxsap_string(netdissect_options *, u_short);
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extern const char *ipaddr_string(netdissect_options *, const u_char *);
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extern const char *ip6addr_string(netdissect_options *, const u_char *);
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extern const char *intoa(uint32_t);
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extern void init_addrtoname(netdissect_options *, uint32_t, uint32_t);
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extern struct hnamemem *newhnamemem(netdissect_options *);
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extern struct h6namemem *newh6namemem(netdissect_options *);
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extern const char * ieee8021q_tci_string(const uint16_t);
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/* macro(s) and inline function(s) with setjmp/longjmp logic to call
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* the X_string() function(s) after bounds checking.
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* The macro(s) must be used on a packet buffer pointer.
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*/
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static inline const char *
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get_linkaddr_string(netdissect_options *ndo, const uint8_t *p,
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const unsigned int type, const unsigned int len)
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{
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if (!ND_TTEST_LEN(p, len))
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nd_trunc_longjmp(ndo);
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return linkaddr_string(ndo, p, type, len);
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}
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static inline const char *
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get_etheraddr_string(netdissect_options *ndo, const uint8_t *p)
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{
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if (!ND_TTEST_LEN(p, MAC_ADDR_LEN))
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nd_trunc_longjmp(ndo);
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return etheraddr_string(ndo, p);
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}
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static inline const char *
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get_le64addr_string(netdissect_options *ndo, const u_char *p)
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{
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if (!ND_TTEST_8(p))
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nd_trunc_longjmp(ndo);
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return le64addr_string(ndo, p);
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}
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static inline const char *
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get_isonsap_string(netdissect_options *ndo, const uint8_t *nsap,
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u_int nsap_length)
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{
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if (!ND_TTEST_LEN(nsap, nsap_length))
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nd_trunc_longjmp(ndo);
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return isonsap_string(ndo, nsap, nsap_length);
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}
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static inline const char *
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get_ipaddr_string(netdissect_options *ndo, const u_char *p)
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{
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if (!ND_TTEST_4(p))
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nd_trunc_longjmp(ndo);
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return ipaddr_string(ndo, p);
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}
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static inline const char *
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get_ip6addr_string(netdissect_options *ndo, const u_char *p)
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{
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if (!ND_TTEST_16(p))
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nd_trunc_longjmp(ndo);
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return ip6addr_string(ndo, p);
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}
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#define GET_LINKADDR_STRING(p, type, len) get_linkaddr_string(ndo, (const u_char *)(p), type, len)
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#define GET_ETHERADDR_STRING(p) get_etheraddr_string(ndo, (const u_char *)(p))
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#define GET_LE64ADDR_STRING(p) get_le64addr_string(ndo, (const u_char *)(p))
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#define GET_ISONSAP_STRING(nsap, nsap_length) get_isonsap_string(ndo, (const u_char *)(nsap), nsap_length)
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#define GET_IPADDR_STRING(p) get_ipaddr_string(ndo, (const u_char *)(p))
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#define GET_IP6ADDR_STRING(p) get_ip6addr_string(ndo, (const u_char *)(p))
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