X-Git-Url: https://git.tcpdump.org/tcpdump/blobdiff_plain/90a3f90f3ee256c0489fee5595b8622f83bad124..refs/pull/433/head:/interface.h diff --git a/interface.h b/interface.h index efe5075e..33ddb776 100644 --- a/interface.h +++ b/interface.h @@ -1,5 +1,5 @@ /* - * Copyright (c) 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997 + * Copyright (c) 1988-2002 * The Regents of the University of California. All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -17,8 +17,6 @@ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. - * - * @(#) $Header: /tcpdump/master/tcpdump/interface.h,v 1.140 2000-10-06 06:49:21 guy Exp $ (LBL) */ #ifndef tcpdump_interface_h @@ -27,78 +25,46 @@ #ifdef HAVE_OS_PROTO_H #include "os-proto.h" #endif -#include -#include - -#ifndef HAVE___ATTRIBUTE__ -#define __attribute__(x) -#endif /* snprintf et al */ #include -#if !defined(HAVE_SNPRINTF) -int snprintf (char *str, size_t sz, const char *format, ...) - __attribute__ ((format (printf, 3, 4))); +#if HAVE_STDINT_H +#include #endif -#if !defined(HAVE_VSNPRINTF) -int vsnprintf (char *str, size_t sz, const char *format, va_list ap) - __attribute__((format (printf, 3, 0))); -#endif +#if !defined(HAVE_SNPRINTF) +int snprintf(char *, size_t, const char *, ...) +#ifdef __ATTRIBUTE___FORMAT_OK + __attribute__((format(printf, 3, 4))) +#endif /* __ATTRIBUTE___FORMAT_OK */ + ; +#endif /* !defined(HAVE_SNPRINTF) */ -#if !defined(HAVE_ASPRINTF) -int asprintf (char **ret, const char *format, ...) - __attribute__ ((format (printf, 2, 3))); -#endif +#if !defined(HAVE_VSNPRINTF) +int vsnprintf(char *, size_t, const char *, va_list) +#ifdef __ATTRIBUTE___FORMAT_OK + __attribute__((format(printf, 3, 0))) +#endif /* __ATTRIBUTE___FORMAT_OK */ + ; +#endif /* !defined(HAVE_VSNPRINTF) */ -#if !defined(HAVE_VASPRINTF) -int vasprintf (char **ret, const char *format, va_list ap) - __attribute__((format (printf, 2, 0))); +#ifndef HAVE_STRLCAT +extern size_t strlcat(char *, const char *, size_t); #endif - -#if !defined(HAVE_ASNPRINTF) -int asnprintf (char **ret, size_t max_sz, const char *format, ...) - __attribute__ ((format (printf, 3, 4))); +#ifndef HAVE_STRLCPY +extern size_t strlcpy(char *, const char *, size_t); #endif -#if !defined(HAVE_VASNPRINTF) -int vasnprintf (char **ret, size_t max_sz, const char *format, va_list ap) - __attribute__((format (printf, 3, 0))); +#ifndef HAVE_STRDUP +extern char *strdup(const char *); #endif -#ifndef HAVE_STRLCAT -extern size_t strlcat __P((char *, const char *, size_t)); +#ifndef HAVE_STRSEP +extern char *strsep(char **, const char *); #endif -#ifndef HAVE_STRLCPY -extern size_t strlcpy __P((char *, const char *, size_t)); -#endif - -struct tok { - int v; /* value */ - char *s; /* string */ -}; -extern int aflag; /* translate network and broadcast addresses */ -extern int dflag; /* print filter code */ -extern int eflag; /* print ethernet header */ -extern int fflag; /* don't translate "foreign" IP address */ -extern int nflag; /* leave addresses as numbers */ -extern int Nflag; /* remove domains from printed host names */ -extern int qflag; /* quick (shorter) output */ -extern int Rflag; /* print sequence # field in AH/ESP*/ -extern int sflag; /* use the libsmi to translate OIDs */ -extern int Sflag; /* print raw TCP sequence numbers */ -extern int tflag; /* print packet arrival time */ -extern int uflag; /* Print undecoded NFS handles */ -extern int vflag; /* verbose */ -extern int xflag; /* print packet in hex */ -extern int Xflag; /* print packet in hex/ascii */ - -extern char *espsecret; - -extern int packettype; /* as specified by -T */ #define PT_VAT 1 /* Visual Audio Tool */ #define PT_WB 2 /* distributed White Board */ #define PT_RPC 3 /* Remote Procedure Call */ @@ -106,30 +72,15 @@ extern int packettype; /* as specified by -T */ #define PT_RTCP 5 /* Real-Time Applications control protocol */ #define PT_SNMP 6 /* Simple Network Management Protocol */ #define PT_CNFP 7 /* Cisco NetFlow protocol */ - -#ifndef min -#define min(a,b) ((a)>(b)?(b):(a)) -#endif -#ifndef max -#define max(a,b) ((b)>(a)?(b):(a)) -#endif - -#ifndef INET6 -/* - * The default snapshot length. This value allows most printers to print - * useful information while keeping the amount of unwanted data down. - * In particular, it allows for an ethernet header, tcp/ip header, and - * 14 bytes of data (assuming no ip options). - */ -#define DEFAULT_SNAPLEN 68 -#else -#define DEFAULT_SNAPLEN 96 -#endif - -#ifndef BIG_ENDIAN -#define BIG_ENDIAN 4321 -#define LITTLE_ENDIAN 1234 -#endif +#define PT_TFTP 8 /* trivial file transfer protocol */ +#define PT_AODV 9 /* Ad-hoc On-demand Distance Vector Protocol */ +#define PT_CARP 10 /* Common Address Redundancy Protocol */ +#define PT_RADIUS 11 /* RADIUS authentication Protocol */ +#define PT_ZMTP1 12 /* ZeroMQ Message Transport Protocol 1.0 */ +#define PT_VXLAN 13 /* Virtual eXtensible Local Area Network */ +#define PT_PGM 14 /* [UDP-encapsulated] Pragmatic General Multicast */ +#define PT_PGM_ZMTP1 15 /* ZMTP/1.0 inside PGM (native or UDP-encapsulated) */ +#define PT_LMP 16 /* Link Management Protocol */ #define ESRC(ep) ((ep)->ether_shost) #define EDST(ep) ((ep)->ether_dhost) @@ -146,13 +97,16 @@ extern char *program_name; /* used to generate self-identifying messages */ extern int32_t thiszone; /* seconds offset from gmt to local time */ -extern int snaplen; -/* global pointers to beginning and end of current packet (during printing) */ -extern const u_char *packetp; -extern const u_char *snapend; - -/* True if "l" bytes of "var" were captured */ -#define TTEST2(var, l) ((u_char *)&(var) <= snapend - (l)) +/* + * True if "l" bytes of "var" were captured. + * + * The "snapend - (l) <= snapend" checks to make sure "l" isn't so large + * that "snapend - (l)" underflows. + * + * The check is for <= rather than < because "l" might be 0. + */ +#define TTEST2(var, l) (snapend - (l) <= snapend && \ + (const u_char *)&(var) <= snapend - (l)) /* True if "var" was captured */ #define TTEST(var) TTEST2(var, sizeof(var)) @@ -163,137 +117,101 @@ extern const u_char *snapend; /* Bail if "var" was not captured */ #define TCHECK(var) TCHECK2(var, sizeof(var)) -struct timeval; - -extern void ts_print(const struct timeval *); -extern void relts_print(int); - -extern int fn_print(const u_char *, const u_char *); -extern int fn_printn(const u_char *, u_int, const u_char *); -extern const char *tok2str(const struct tok *, const char *, int); -extern char *dnaddr_string(u_short); - -extern void wrapup(int); +extern int mask2plen(uint32_t); +extern const char *tok2strary_internal(const char **, int, const char *, int); +#define tok2strary(a,f,i) tok2strary_internal(a, sizeof(a)/sizeof(a[0]),f,i) extern void error(const char *, ...) - __attribute__((noreturn, format (printf, 1, 2))); -extern void warning(const char *, ...) __attribute__ ((format (printf, 1, 2))); + __attribute__((noreturn)) +#ifdef __ATTRIBUTE___FORMAT_OK + __attribute__((format (printf, 1, 2))) +#endif /* __ATTRIBUTE___FORMAT_OK */ + ; +extern void warning(const char *, ...) +#ifdef __ATTRIBUTE___FORMAT_OK + __attribute__((format (printf, 1, 2))) +#endif /* __ATTRIBUTE___FORMAT_OK */ + ; extern char *read_infile(char *); extern char *copy_argv(char **); -extern void safeputchar(int); -extern void safeputs(const char *); +extern const char *dnname_string(u_short); +extern const char *dnnum_string(u_short); -extern char *isonsap_string(const u_char *); -extern char *llcsap_string(u_char); -extern char *protoid_string(const u_char *); -extern char *dnname_string(u_short); -extern char *dnnum_string(u_short); +/* checksum routines */ +extern void init_checksum(void); +extern uint16_t verify_crc10_cksum(uint16_t, const u_char *, int); +extern uint16_t create_osi_cksum(const uint8_t *, int, int); /* The printer routines. */ -struct pcap_pkthdr; - -extern void ascii_print_with_offset(const u_char *, u_int, u_int); -extern void ascii_print(const u_char *, u_int); -extern void hex_print_with_offset(const u_char *, u_int, u_int); -extern void telnet_print(const u_char *, u_int); -extern void hex_print(const u_char *, u_int); -extern int ether_encap_print(u_short, const u_char *, u_int, u_int); -extern int llc_print(const u_char *, u_int, u_int, const u_char *, - const u_char *); -extern void aarp_print(const u_char *, u_int); -extern void arp_print(const u_char *, u_int, u_int); -extern void atalk_print(const u_char *, u_int); -extern void atm_if_print(u_char *, const struct pcap_pkthdr *, const u_char *); -extern void bootp_print(const u_char *, u_int, u_short, u_short); -extern void bgp_print(const u_char *, int); -extern void bxxp_print(const u_char *, u_int); -extern void cnfp_print(const u_char *cp, u_int len, const u_char *bp); -extern void decnet_print(const u_char *, u_int, u_int); -extern void default_print(const u_char *, u_int); -extern void default_print_unaligned(const u_char *, u_int); -extern void dvmrp_print(const u_char *, u_int); -extern void egp_print(const u_char *, u_int, const u_char *); -extern void ether_if_print(u_char *, const struct pcap_pkthdr *, - const u_char *); -extern void token_if_print(u_char *, const struct pcap_pkthdr *, - const u_char *); -extern void fddi_if_print(u_char *, const struct pcap_pkthdr *, const u_char *); -extern void gre_print(const u_char *, u_int); -extern void icmp_print(const u_char *, u_int, const u_char *); -extern void igrp_print(const u_char *, u_int, const u_char *); -extern void ip_print(const u_char *, u_int); -extern void ipN_print(const u_char *, u_int); -extern void ipx_print(const u_char *, u_int); -extern void isoclns_print(const u_char *, u_int, u_int, const u_char *, - const u_char *); -extern void krb_print(const u_char *, u_int); -extern void nfsreply_print(const u_char *, u_int, const u_char *); -extern void nfsreq_print(const u_char *, u_int, const u_char *); -extern void ns_print(const u_char *, u_int); -extern void ntp_print(const u_char *, u_int); -extern void null_if_print(u_char *, const struct pcap_pkthdr *, const u_char *); -extern void ospf_print(const u_char *, u_int, const u_char *); -extern void pimv1_print(const u_char *, u_int); -extern void cisco_autorp_print(const u_char *, u_int); -extern void mobile_print(const u_char *, u_int); -extern void pim_print(const u_char *, u_int); -extern void pppoe_print(const u_char *, u_int); -extern void ppp_print(register const u_char *, u_int); -extern void ppp_if_print(u_char *, const struct pcap_pkthdr *, const u_char *); -extern void ppp_hdlc_if_print(u_char *, const struct pcap_pkthdr *, - const u_char *); -extern void ppp_bsdos_if_print(u_char *, const struct pcap_pkthdr *, - const u_char *); -extern int vjc_print(register const char *, register u_int, u_short); -extern void raw_if_print(u_char *, const struct pcap_pkthdr *, const u_char *); -extern void rip_print(const u_char *, u_int); -extern void sl_if_print(u_char *, const struct pcap_pkthdr *, const u_char *); -extern void lane_if_print(u_char *, const struct pcap_pkthdr *,const u_char *); -extern void cip_if_print(u_char *, const struct pcap_pkthdr *,const u_char *); -extern void sl_bsdos_if_print(u_char *, const struct pcap_pkthdr *, - const u_char *); -extern void chdlc_if_print(u_char *, const struct pcap_pkthdr *, - const u_char *); -extern void snmp_print(const u_char *, u_int); -extern void sunrpcrequest_print(const u_char *, u_int, const u_char *); -extern void tcp_print(const u_char *, u_int, const u_char *); -extern void tftp_print(const u_char *, u_int); -extern void timed_print(const u_char *, u_int); -extern void udp_print(const u_char *, u_int, const u_char *); -extern void wb_print(const void *, u_int); -extern int ah_print(register const u_char *, register const u_char *); -extern int esp_print(register const u_char *, register const u_char *, int *); -extern void isakmp_print(const u_char *, u_int, const u_char *); -extern int ipcomp_print(register const u_char *, register const u_char *, int *); -extern void rx_print(register const u_char *, int, int, int, u_char *); -extern void netbeui_print(const u_char *, const u_char *); -extern void ipx_netbios_print(const u_char *, const u_char *); -extern void nbt_tcp_print(const u_char *, int); -extern void nbt_udp137_print(const u_char *data, int); -extern void nbt_udp138_print(const u_char *data, int); +#include + extern char *smb_errstr(int, int); -extern void print_data(const unsigned char *, int); -extern void l2tp_print(const u_char *, u_int); -extern void lcp_print(const u_char *, u_int); -extern void vrrp_print(const u_char *bp, u_int len, int ttl); -extern void cdp_print(const u_char *p, u_int length, u_int caplen, - const u_char *esrc, const u_char *edst); -extern void stp_print(const u_char *p, u_int length); -extern void radius_print(const u_char *, u_int); +extern const char *nt_errstr(uint32_t); #ifdef INET6 -extern void ip6_print(const u_char *, int); -extern void ip6_opt_print(const u_char *, int); -extern int hbhopt_print(const u_char *); -extern int dstopt_print(const u_char *); -extern int frag6_print(const u_char *, const u_char *); -extern void icmp6_print(const u_char *, const u_char *); -extern void ripng_print(const u_char *, int); -extern int rt6_print(const u_char *, const u_char *); -extern void ospf6_print(const u_char *, u_int); -extern void dhcp6_print(const u_char *, u_int, u_int16_t, u_int16_t); +extern int mask62plen(const u_char *); #endif /*INET6*/ -extern u_short in_cksum(const u_short *addr, register int len, u_short csum); + +struct cksum_vec { + const uint8_t *ptr; + int len; +}; +extern uint16_t in_cksum(const struct cksum_vec *, int); +extern uint16_t in_cksum_shouldbe(uint16_t, uint16_t); + +#ifndef HAVE_BPF_DUMP +struct bpf_program; + +extern void bpf_dump(const struct bpf_program *, int); + +#endif + +#include "netdissect.h" + +/* forward compatibility */ + +#ifndef NETDISSECT_REWORKED +extern netdissect_options *gndo; + +#define bflag gndo->ndo_bflag +#define eflag gndo->ndo_eflag +#define fflag gndo->ndo_fflag +#define jflag gndo->ndo_jflag +#define Kflag gndo->ndo_Kflag +#define nflag gndo->ndo_nflag +#define Nflag gndo->ndo_Nflag +#define Oflag gndo->ndo_Oflag +#define pflag gndo->ndo_pflag +#define qflag gndo->ndo_qflag +#define Rflag gndo->ndo_Rflag +#define sflag gndo->ndo_sflag +#define Sflag gndo->ndo_Sflag +#define tflag gndo->ndo_tflag +#define Uflag gndo->ndo_Uflag +#define uflag gndo->ndo_uflag +#define vflag gndo->ndo_vflag +#define xflag gndo->ndo_xflag +#define Xflag gndo->ndo_Xflag +#define Cflag gndo->ndo_Cflag +#define Gflag gndo->ndo_Gflag +#define Aflag gndo->ndo_Aflag +#define Bflag gndo->ndo_Bflag +#define Iflag gndo->ndo_Iflag +#define suppress_default_print gndo->ndo_suppress_default_print +#define packettype gndo->ndo_packettype +#define sigsecret gndo->ndo_sigsecret +#define Wflag gndo->ndo_Wflag +#define WflagChars gndo->ndo_WflagChars +#define Cflag_count gndo->ndo_Cflag_count +#define Gflag_count gndo->ndo_Gflag_count +#define Gflag_time gndo->ndo_Gflag_time +#define Hflag gndo->ndo_Hflag +#define snaplen gndo->ndo_snaplen +#define snapend gndo->ndo_snapend + +extern void default_print(const u_char *, u_int); + +#endif