X-Git-Url: https://git.tcpdump.org/tcpdump/blobdiff_plain/64e81f2917f6865dff8df96e18cec1b8bf2fa836..c52bf5af8c28f0eda17083aa38d14b7d5b3a7c4d:/interface.h diff --git a/interface.h b/interface.h index 1ef06e5c..97c3c766 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 @@ -18,7 +18,7 @@ * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. * - * @(#) $Header: /tcpdump/master/tcpdump/interface.h,v 1.150 2001-01-15 03:23:58 guy Exp $ (LBL) + * @(#) $Header: /tcpdump/master/tcpdump/interface.h,v 1.199 2002-12-12 07:28:35 guy Exp $ (LBL) */ #ifndef tcpdump_interface_h @@ -27,37 +27,41 @@ #ifdef HAVE_OS_PROTO_H #include "os-proto.h" #endif -#include -#include #ifndef HAVE___ATTRIBUTE__ #define __attribute__(x) #endif +#define _U_ __attribute__((unused)) + /* snprintf et al */ #include #if !defined(HAVE_SNPRINTF) -int snprintf (char *str, size_t sz, const char *format, ...) - __attribute__ ((format (printf, 3, 4))); +int snprintf(char *, size_t, const char *, ...) + __attribute__((format(printf, 3, 4))); #endif #if !defined(HAVE_VSNPRINTF) -int vsnprintf (char *str, size_t sz, const char *format, va_list ap) - __attribute__((format (printf, 3, 0))); +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); +extern size_t strlcat(char *, const char *, size_t); #endif #ifndef HAVE_STRLCPY -extern size_t strlcpy (char *, const char *, size_t); +extern size_t strlcpy(char *, const char *, size_t); +#endif + +#ifndef HAVE_STRDUP +extern char *strdup(const char *); #endif struct tok { int v; /* value */ - char *s; /* string */ + const char *s; /* string */ }; extern int aflag; /* translate network and broadcast addresses */ @@ -75,7 +79,7 @@ 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 int Aflag; /* print packet only in ascii observing TAB, LF, CR and SPACE as graphical chars */ extern char *espsecret; extern int packettype; /* as specified by -T */ @@ -94,16 +98,14 @@ extern int packettype; /* as specified by -T */ #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 +#ifndef INET6 +#define DEFAULT_SNAPLEN 68 /* ether + IPv4 + TCP + 14 */ #else -#define DEFAULT_SNAPLEN 96 +#define DEFAULT_SNAPLEN 96 /* ether + IPv6 + TCP + 22 */ #endif #ifndef BIG_ENDIAN @@ -131,8 +133,16 @@ extern int snaplen; 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)) @@ -143,17 +153,21 @@ 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 char *bittok2str(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 wrapup(int); +extern void info(int); +extern int infodelay; +extern int infoprint; extern void error(const char *, ...) __attribute__((noreturn, format (printf, 1, 2))); @@ -165,53 +179,75 @@ extern char *copy_argv(char **); extern void safeputchar(int); extern void safeputs(const char *); -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); +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. */ -struct pcap_pkthdr; +#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 print_unknown_data(const u_char *,const char *,int); +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 int snap_print(const u_char *, u_int, u_int, u_short *, u_int32_t, + u_short, u_int); 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_print(u_int, u_int, u_int, const u_char *, u_int, 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 sunatm_if_print(u_char *, const struct pcap_pkthdr *, const u_char *); +extern void bootp_print(const u_char *, u_short, u_short, u_int); 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 beep_print(const u_char *, u_int); +extern void cnfp_print(const u_char *, 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 egp_print(const u_char *); +extern void pflog_if_print(u_char *, const struct pcap_pkthdr *, + const u_char *); +extern void arcnet_if_print(u_char *, const struct pcap_pkthdr *, + const u_char *); +extern void ether_print(const u_char *, u_int, u_int); extern void ether_if_print(u_char *, const struct pcap_pkthdr *, const u_char *); +extern u_int token_print(const u_char *, u_int, u_int); extern void token_if_print(u_char *, const struct pcap_pkthdr *, const u_char *); +extern void fddi_print(const u_char *, u_int, u_int); extern void fddi_if_print(u_char *, const struct pcap_pkthdr *, const u_char *); +extern void fr_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 ieee802_11_radio_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, 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 ipfc_if_print(u_char *, const struct pcap_pkthdr *, const u_char *); 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 krb_print(const u_char *); 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); @@ -220,63 +256,92 @@ 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 rsvp_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 u_int pppoe_print(const u_char *, u_int); +extern u_int 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 pppoe_if_print(u_char *, const struct pcap_pkthdr *, + const u_char *); +extern void prism_if_print(u_char *, const struct pcap_pkthdr *, + const u_char *); +extern int vjc_print(register const char *, 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_print(const u_char *, u_int, u_int); 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 timed_print(const u_char *); 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 *); +extern int ah_print(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 int ipcomp_print(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 *, const 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 *data, int); -extern void nbt_udp138_print(const u_char *data, 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 *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 vrrp_print(const u_char *, u_int, int); +extern void cdp_print(const u_char *, u_int, u_int); +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 *); +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 *, int); +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 int mobility_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 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 *addr, register int len, u_short csum); +extern u_short in_cksum(const u_short *, register u_int, int); +extern u_int16_t in_cksum_shouldbe(u_int16_t, u_int16_t); + +#ifndef HAVE_BPF_DUMP +struct bpf_program; + +extern void bpf_dump(struct bpf_program *, int); +#endif + + + + + + + + + +