/* * 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 * modification, are permitted provided that: (1) source code distributions * retain the above copyright notice and this paragraph in its entirety, (2) * distributions including binary code include the above copyright notice and * this paragraph in its entirety in the documentation or other materials * provided with the distribution, and (3) all advertising materials mentioning * features or use of this software display the following acknowledgement: * ``This product includes software developed by the University of California, * Lawrence Berkeley Laboratory and its contributors.'' Neither the name of * the University nor the names of its contributors may be used to endorse * or promote products derived from this software without specific prior * written permission. * 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 1.178.4.2 2002/07/10 07:32:17 guy Exp $ (LBL) * * $FreeBSD$ */ #ifndef tcpdump_interface_h #define tcpdump_interface_h #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 *, size_t, const char *, ...) __attribute__((format(printf, 3, 4))); #endif #if !defined(HAVE_VSNPRINTF) int vsnprintf(char *, size_t, const char *, va_list) __attribute__((format(printf, 3, 0))); #endif #ifndef HAVE_STRLCAT extern size_t strlcat(char *, const char *, size_t); #endif #ifndef HAVE_STRLCPY extern size_t strlcpy(char *, const char *, size_t); #endif #ifndef HAVE_STRDUP extern char *strdup(const char *); #endif struct tok { int v; /* value */ const 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 */ #define PT_RTP 4 /* Real-Time Applications protocol */ #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 /* * The default snapshot length. This value allows most printers to print * useful information while keeping the amount of unwanted data down. */ #ifndef INET6 #define DEFAULT_SNAPLEN 68 /* ether + IPv4 + TCP + 14 */ #else #define DEFAULT_SNAPLEN 96 /* ether + IPv6 + TCP + 22 */ #endif #ifndef BIG_ENDIAN #define BIG_ENDIAN 4321 #define LITTLE_ENDIAN 1234 #endif #define ESRC(ep) ((ep)->ether_shost) #define EDST(ep) ((ep)->ether_dhost) #ifndef NTOHL #define NTOHL(x) (x) = ntohl(x) #define NTOHS(x) (x) = ntohs(x) #define HTONL(x) (x) = htonl(x) #define HTONS(x) (x) = htons(x) #endif #endif 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. * * 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)) /* Bail if "l" bytes of "var" were not captured */ #define TCHECK2(var, l) if (!TTEST2(var, l)) goto trunc /* Bail if "var" was not captured */ #define TCHECK(var) TCHECK2(var, sizeof(var)) 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 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 const char *dnaddr_string(u_short); extern void info(int); extern int infodelay; extern int infoprint; extern void error(const char *, ...) __attribute__((noreturn, format (printf, 1, 2))); extern void warning(const char *, ...) __attribute__ ((format (printf, 1, 2))); extern char *read_infile(char *); extern char *copy_argv(char **); extern void safeputchar(int); extern void safeputs(const char *); extern const char *isonsap_string(const u_char *); extern const char *llcsap_string(u_char); extern const char *protoid_string(const u_char *); extern const char *ipxsap_string(u_short); extern const char *dnname_string(u_short); extern const char *dnnum_string(u_short); /* The printer routines. */ #include 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, u_short *); extern int llc_print(const u_char *, u_int, u_int, const u_char *, const u_char *, u_short *); 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 beep_print(const u_char *, u_int); extern void cnfp_print(const u_char *, u_int, const u_char *); 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 arcnet_if_print(u_char *, const struct pcap_pkthdr *, 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 ieee802_11_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 igmp_print(const u_char *, u_int); 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 llap_print(const u_char *, u_int); extern void ltalk_if_print(u_char *, const struct pcap_pkthdr *, const u_char *); extern void msdp_print(const unsigned 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 void pppoe_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 chdlc_print(register const u_char *, u_int, u_int); extern void sll_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 *, int); 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 *, int); 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 *, 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(u_short, const u_char *, int); extern void ipx_netbios_print(const u_char *, u_int); extern void nbt_tcp_print(const u_char *, int); extern void nbt_udp137_print(const u_char *, int); extern void nbt_udp138_print(const u_char *, int); 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 *, u_int, int); extern void cdp_print(const u_char *, u_int, u_int, const u_char *, const u_char *); extern void stp_print(const u_char *, u_int); extern void radius_print(const u_char *, u_int); extern void lwres_print(const u_char *, u_int); extern void pptp_print(const u_char *, u_int); extern void sctp_print(const u_char *, const u_char *, u_int); extern void mpls_print(const u_char *, u_int); extern void zephyr_print(const u_char *, int); extern void hsrp_print(const u_char *, u_int); #ifdef INET6 extern void ip6_print(const u_char *, u_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 *, unsigned 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); #endif /*INET6*/ extern u_short in_cksum(const u_short *, register u_int, int); #ifndef HAVE_BPF_DUMP struct bpf_program; extern void bpf_dump(struct bpf_program *, int); #endif