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Diffstat (limited to 'freebsd/contrib/tcpdump/netdissect.h')
| -rw-r--r-- | freebsd/contrib/tcpdump/netdissect.h | 515 |
1 files changed, 515 insertions, 0 deletions
diff --git a/freebsd/contrib/tcpdump/netdissect.h b/freebsd/contrib/tcpdump/netdissect.h new file mode 100644 index 00000000..d201d8c3 --- /dev/null +++ b/freebsd/contrib/tcpdump/netdissect.h @@ -0,0 +1,515 @@ +/* + * Copyright (c) 1988-1997 + * The Regents of the University of California. All rights reserved. + * + * Copyright (c) 1998-2012 Michael Richardson <mcr@tcpdump.org> + * The TCPDUMP project + * + * 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/netdissect.h,v 1.27 2008-08-16 11:36:20 hannes Exp $ (LBL) + */ + +#ifndef netdissect_h +#define netdissect_h + +#ifdef HAVE_OS_PROTO_H +#include "os-proto.h" +#endif +#include <rtems/bsd/sys/types.h> + +#ifndef HAVE___ATTRIBUTE__ +#define __attribute__(x) +#endif + +/* snprintf et al */ + +#include <stdarg.h> + +#if !defined(HAVE_SNPRINTF) +int snprintf (char *str, size_t sz, const char *format, ...) + __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))); +#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 *str); +#endif + +#ifndef HAVE_STRSEP +extern char *strsep(char **, const char *); +#endif + +struct tok { + int v; /* value */ + const char *s; /* string */ +}; + +#define TOKBUFSIZE 128 +extern const char *tok2strbuf(const struct tok *, const char *, int, + char *buf, size_t bufsize); + +/* tok2str is deprecated */ +extern const char *tok2str(const struct tok *, const char *, int); +extern char *bittok2str(const struct tok *, const char *, int); +extern char *bittok2str_nosep(const struct tok *, const char *, int); + + +typedef struct netdissect_options netdissect_options; + +struct netdissect_options { + int ndo_aflag; /* translate network and broadcast addresses */ + int ndo_bflag; /* print 4 byte ASes in ASDOT notation */ + int ndo_eflag; /* print ethernet header */ + int ndo_fflag; /* don't translate "foreign" IP address */ + int ndo_Kflag; /* don't check TCP checksums */ + int ndo_nflag; /* leave addresses as numbers */ + int ndo_Nflag; /* remove domains from printed host names */ + int ndo_qflag; /* quick (shorter) output */ + int ndo_Rflag; /* print sequence # field in AH/ESP*/ + int ndo_sflag; /* use the libsmi to translate OIDs */ + int ndo_Sflag; /* print raw TCP sequence numbers */ + int ndo_tflag; /* print packet arrival time */ + int ndo_Uflag; /* "unbuffered" output of dump files */ + int ndo_uflag; /* Print undecoded NFS handles */ + int ndo_vflag; /* verbose */ + int ndo_xflag; /* print packet in hex */ + int ndo_Xflag; /* print packet in hex/ascii */ + int ndo_Aflag; /* print packet only in ascii observing TAB, + * LF, CR and SPACE as graphical chars + */ + int ndo_Bflag; /* buffer size */ + int ndo_Iflag; /* rfmon (monitor) mode */ + int ndo_Oflag; /* run filter code optimizer */ + int ndo_dlt; /* if != -1, ask libpcap for the DLT it names*/ + int ndo_jflag; /* packet time stamp source */ + int ndo_pflag; /* don't go promiscuous */ + + int ndo_Cflag; /* rotate dump files after this many bytes */ + int ndo_Cflag_count; /* Keep track of which file number we're writing */ + int ndo_Gflag; /* rotate dump files after this many seconds */ + int ndo_Gflag_count; /* number of files created with Gflag rotation */ + time_t ndo_Gflag_time; /* The last time_t the dump file was rotated. */ + int ndo_Wflag; /* recycle output files after this number of files */ + int ndo_WflagChars; + int ndo_Hflag; /* dissect 802.11s draft mesh standard */ + int ndo_suppress_default_print; /* don't use default_print() for unknown packet types */ + const char *ndo_dltname; + + char *ndo_espsecret; + struct sa_list *ndo_sa_list_head; /* used by print-esp.c */ + struct sa_list *ndo_sa_default; + + char *ndo_sigsecret; /* Signature verification secret key */ + + struct esp_algorithm *ndo_espsecret_xform; /* cache of decoded */ + char *ndo_espsecret_key; + + int ndo_packettype; /* as specified by -T */ + + char *ndo_program_name; /*used to generate self-identifying messages */ + + int32_t ndo_thiszone; /* seconds offset from gmt to local time */ + + int ndo_snaplen; + + /*global pointers to beginning and end of current packet (during printing) */ + const u_char *ndo_packetp; + const u_char *ndo_snapend; + + /* bookkeeping for ^T output */ + int ndo_infodelay; + + /* pointer to void function to output stuff */ + void (*ndo_default_print)(netdissect_options *, + register const u_char *bp, register u_int length); + void (*ndo_info)(netdissect_options *, int verbose); + + int (*ndo_printf)(netdissect_options *, + const char *fmt, ...) +#ifdef __ATTRIBUTE___FORMAT_OK_FOR_FUNCTION_POINTERS + __attribute__ ((format (printf, 2, 3))) +#endif + ; + void (*ndo_error)(netdissect_options *, + const char *fmt, ...) +#ifdef __ATTRIBUTE___FORMAT_OK_FOR_FUNCTION_POINTERS + __attribute__ ((noreturn, format (printf, 2, 3))) +#endif + ; + void (*ndo_warning)(netdissect_options *, + const char *fmt, ...) +#ifdef __ATTRIBUTE___FORMAT_OK_FOR_FUNCTION_POINTERS + __attribute__ ((format (printf, 2, 3))) +#endif + ; +}; + +#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 */ +#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 */ + +#ifndef min +#define min(a,b) ((a)>(b)?(b):(a)) +#endif +#ifndef max +#define max(a,b) ((b)>(a)?(b):(a)) +#endif + +/* + * Maximum snapshot length. This should be enough to capture the full + * packet on most network interfaces. + * + * XXX - could it be larger? If so, should it? Some applications might + * use the snapshot length in a savefile header to control the size of + * the buffer they allocate, so a size of, say, 2^31-1 might not work + * well. + */ +#define MAXIMUM_SNAPLEN 65535 + +/* + * The default snapshot length is the maximum. + */ +#define DEFAULT_SNAPLEN MAXIMUM_SNAPLEN + +#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 + +/* + * True if "l" bytes of "var" were captured. + * + * The "ndo->ndo_snapend - (l) <= ndo->ndo_snapend" checks to make sure + * "l" isn't so large that "ndo->ndo_snapend - (l)" underflows. + * + * The check is for <= rather than < because "l" might be 0. + */ +#define ND_TTEST2(var, l) (ndo->ndo_snapend - (l) <= ndo->ndo_snapend && \ + (const u_char *)&(var) <= ndo->ndo_snapend - (l)) + +/* True if "var" was captured */ +#define ND_TTEST(var) ND_TTEST2(var, sizeof(var)) + +/* Bail if "l" bytes of "var" were not captured */ +#define ND_TCHECK2(var, l) if (!ND_TTEST2(var, l)) goto trunc + +/* Bail if "var" was not captured */ +#define ND_TCHECK(var) ND_TCHECK2(var, sizeof(var)) + +#define ND_PRINT(STUFF) (*ndo->ndo_printf)STUFF +#define ND_DEFAULTPRINT(ap, length) (*ndo->ndo_default_print)(ndo, ap, length) + +#if 0 +extern void ts_print(netdissect_options *ipdo, + const struct timeval *); +extern void relts_print(int); +#endif + +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 void wrapup(int); + +#if 0 +extern char *read_infile(netdissect_options *, char *); +extern char *copy_argv(netdissect_options *, char **); +#endif + +extern void safeputchar(int); +extern void safeputs(const char *, int); + +#define PLURAL_SUFFIX(n) \ + (((n) != 1) ? "s" : "") + +#if 0 +extern const char *isonsap_string(netdissect_options *, const u_char *); +extern const char *protoid_string(netdissect_options *, const u_char *); +extern const char *dnname_string(netdissect_options *, u_short); +extern const char *dnnum_string(netdissect_options *, u_short); +#endif + +/* The printer routines. */ + +#include <pcap.h> + +typedef u_int (*if_ndo_printer)(struct netdissect_options *ndo, + const struct pcap_pkthdr *, const u_char *); +typedef u_int (*if_printer)(const struct pcap_pkthdr *, const u_char *); + +extern if_ndo_printer lookup_ndo_printer(int); +extern if_printer lookup_printer(int); + +extern void eap_print(netdissect_options *,const u_char *, u_int); +extern int esp_print(netdissect_options *, + register const u_char *bp, int len, register const u_char *bp2, + int *nhdr, int *padlen); +extern void arp_print(netdissect_options *,const u_char *, u_int, u_int); +extern void tipc_print(netdissect_options *, const u_char *, u_int, u_int); +extern void msnlb_print(netdissect_options *, const u_char *, u_int); +extern void icmp6_print(netdissect_options *ndo, const u_char *, + u_int, const u_char *, int); +extern void isakmp_print(netdissect_options *,const u_char *, + u_int, const u_char *); +extern void isakmp_rfc3948_print(netdissect_options *,const u_char *, + u_int, const u_char *); +extern void ip_print(netdissect_options *,const u_char *, u_int); +extern void ip_print_inner(netdissect_options *ndo, + const u_char *bp, u_int length, u_int nh, + const u_char *bp2); +extern void rrcp_print(netdissect_options *,const u_char *, u_int); + +extern void ether_print(netdissect_options *, + const u_char *, u_int, u_int, + void (*)(netdissect_options *, const u_char *), + const u_char *); + +extern u_int ether_if_print(netdissect_options *, + const struct pcap_pkthdr *,const u_char *); +extern u_int netanalyzer_if_print(netdissect_options *, + const struct pcap_pkthdr *,const u_char *); +extern u_int netanalyzer_transparent_if_print(netdissect_options *, + const struct pcap_pkthdr *, + const u_char *); + +extern int ethertype_print(netdissect_options *,u_short, const u_char *, + u_int, u_int); + +/* stuff that has not yet been rototiled */ +#if 0 +extern void ascii_print(netdissect_options *,u_int); +extern void hex_and_ascii_print_with_offset(netdissect_options *,const char *, + u_int, u_int); +extern void hex_and_ascii_print(netdissect_options *,const char *, u_int); +extern void hex_print_with_offset(netdissect_options *,const char *, + u_int, u_int); +extern void hex_print(netdissect_options *,const char *, u_int); +extern void telnet_print(netdissect_options *,const u_char *, u_int); +extern int llc_print(netdissect_options *, + const u_char *, u_int, u_int, const u_char *, + const u_char *, u_short *); +extern void aarp_print(netdissect_options *,const u_char *, u_int); +extern void atalk_print(netdissect_options *,const u_char *, u_int); +extern void atm_if_print(u_char *,const struct pcap_pkthdr *, const u_char *); +extern void bootp_print(netdissect_options *,const u_char *, + u_int, u_short, u_short); +extern void bgp_print(netdissect_options *,const u_char *, int); +extern void bxxp_print(netdissect_options *,const u_char *, u_int); +extern void chdlc_if_print(u_char *user, const struct pcap_pkthdr *h, + register const u_char *p); +extern void chdlc_print(netdissect_options *ndo, + register const u_char *p, u_int length, u_int caplen); +extern void cisco_autorp_print(netdissect_options *, + const u_char *, u_int); +extern void cnfp_print(netdissect_options *,const u_char *cp, + u_int len, const u_char *bp); +extern void decnet_print(netdissect_options *,const u_char *, + u_int, u_int); +extern void default_print(netdissect_options *,const u_char *, u_int); +extern void dvmrp_print(netdissect_options *,const u_char *, u_int); +extern void egp_print(netdissect_options *,const u_char *, u_int, + const u_char *); + +extern void arcnet_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(netdissect_options *,const u_char *, u_int); +extern void icmp_print(netdissect_options *,const u_char *, u_int, + const u_char *); +extern void hsrp_print(netdissect_options *ndo, + register const u_char *bp, register u_int len); +extern void ieee802_11_if_print(u_char *,const struct pcap_pkthdr *, const u_char *); +extern void igmp_print(netdissect_options *, + register const u_char *, u_int); +extern void igrp_print(netdissect_options *,const u_char *, u_int, + const u_char *); +extern int nextproto4_cksum(const struct ip *, const u_int8_t *, u_int, u_int); +extern void ipN_print(netdissect_options *,const u_char *, u_int); +extern void ipx_print(netdissect_options *,const u_char *, u_int); +extern void isoclns_print(netdissect_options *,const u_char *, + u_int, u_int, const u_char *, const u_char *); +extern void krb_print(netdissect_options *,const u_char *, u_int); +extern void llap_print(netdissect_options *,const u_char *, u_int); +extern const char *linkaddr_string(netdissect_options *ndo, + const u_char *ep, const unsigned int len); +extern void ltalk_if_print(netdissect_options *ndo, + u_char *user, const struct pcap_pkthdr *h, + const u_char *p); +extern void mpls_print(netdissect_options *ndo, + const u_char *bp, u_int length); +extern void msdp_print(netdissect_options *ndo, + const unsigned char *sp, u_int length); +extern void nfsreply_print(netdissect_options *,const u_char *, + u_int, const u_char *); +extern void nfsreq_print(netdissect_options *,const u_char *, + u_int, const u_char *); +extern void ns_print(netdissect_options *,const u_char *, u_int); +extern void ntp_print(netdissect_options *,const u_char *, u_int); +extern void null_if_print(u_char *,const struct pcap_pkthdr *, const u_char *); +extern void ospf_print(netdissect_options *,const u_char *, + u_int, const u_char *); +extern void pimv1_print(netdissect_options *,const u_char *, u_int); +extern void mobile_print(netdissect_options *,const u_char *, u_int); +extern void pim_print(netdissect_options *,const u_char *, u_int, u_int); +extern void pppoe_if_print(u_char *,const struct pcap_pkthdr *, const u_char *); +extern void pppoe_print(netdissect_options *,const u_char *, u_int); +extern void ppp_print(netdissect_options *, + 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(netdissect_options *,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(netdissect_options *,const u_char *, u_int); +extern void rpki_rtr_print(netdissect_options *,const u_char *, u_int); + +extern void sctp_print(netdissect_options *ndo, + const u_char *bp, const u_char *bp2, + u_int sctpPacketLength); + +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 sll_if_print(u_char *, + const struct pcap_pkthdr *, const u_char *); + +extern void snmp_print(netdissect_options *,const u_char *, u_int); +extern void sunrpcrequest_print(netdissect_options *,const u_char *, + u_int, const u_char *); +extern void tcp_print(netdissect_options *,const u_char *, u_int, + const u_char *, int); +extern void tftp_print(netdissect_options *,const u_char *, u_int); +extern void timed_print(netdissect_options *,const u_char *, u_int); +extern void udp_print(netdissect_options *,const u_char *, u_int, + const u_char *, int); +extern void wb_print(netdissect_options *,const void *, u_int); +extern int ah_print(netdissect_options *,register const u_char *, + register const u_char *); +extern void esp_print_decodesecret(netdissect_options *ndo); +extern int ipcomp_print(netdissect_options *,register const u_char *, + register const u_char *, int *); +extern void rx_print(netdissect_options *,register const u_char *, + int, int, int, u_char *); +extern void netbeui_print(netdissect_options *,u_short, + const u_char *, int); +extern void ipx_netbios_print(netdissect_options *,const u_char *, u_int); +extern void nbt_tcp_print(netdissect_options *,const u_char *, int); +extern void nbt_udp137_print(netdissect_options *, + const u_char *data, int); +extern void nbt_udp138_print(netdissect_options *, + const u_char *data, int); +extern char *smb_errstr(netdissect_options *,int, int); +extern const char *nt_errstr(netdissect_options *, u_int32_t); +extern void print_data(netdissect_options *,const unsigned char *, int); +extern void l2tp_print(netdissect_options *,const u_char *, u_int); +extern void lcp_print(netdissect_options *,const u_char *, u_int); +extern void vrrp_print(netdissect_options *,const u_char *bp, + u_int len, int ttl); +extern void carp_print(netdissect_options *,const u_char *bp, + u_int len, int ttl); +extern void cdp_print(netdissect_options *,const u_char *, + u_int, u_int, const u_char *, const u_char *); +extern void stp_print(netdissect_options *,const u_char *p, u_int length); +extern void radius_print(netdissect_options *,const u_char *, u_int); +extern void lwres_print(netdissect_options *,const u_char *, u_int); +extern void pptp_print(netdissect_options *,const u_char *, u_int); +#endif + +extern u_int ipnet_if_print(netdissect_options *,const struct pcap_pkthdr *, const u_char *); +extern u_int ppi_if_print(netdissect_options *,const struct pcap_pkthdr *, const u_char *); + +extern u_int ieee802_15_4_if_print(netdissect_options *,const struct pcap_pkthdr *, const u_char *); + +#ifdef INET6 +extern void ip6_print(netdissect_options *,const u_char *, u_int); +#if 0 +extern void ip6_opt_print(netdissect_options *,const u_char *, int); +extern int nextproto6_cksum(const struct ip6_hdr *, const u_int8_t *, u_int, u_int); +extern int hbhopt_print(netdissect_options *,const u_char *); +extern int dstopt_print(netdissect_options *,const u_char *); +extern int frag6_print(netdissect_options *,const u_char *, + const u_char *); +extern void icmp6_print(netdissect_options *,const u_char *, + const u_char *); +extern void ripng_print(netdissect_options *,const u_char *, int); +extern int rt6_print(netdissect_options *,const u_char *, const u_char *); +extern void ospf6_print(netdissect_options *,const u_char *, u_int); +extern void dhcp6_print(netdissect_options *,const u_char *, + u_int, u_int16_t, u_int16_t); + +extern void zephyr_print(netdissect_options * ndo, + const u_char *cp, int length); +#endif /* 0 */ + +#endif /*INET6*/ + +#if 0 +struct cksum_vec { + const u_int8_t *ptr; + int len; +}; +extern u_int16_t in_cksum(const struct cksum_vec *, int); +extern u_int16_t in_cksum_shouldbe(u_int16_t, u_int16_t); +#endif + +extern void esp_print_decodesecret(netdissect_options *ndo); +extern int esp_print_decrypt_buffer_by_ikev2(netdissect_options *ndo, + int initiator, + u_char spii[8], u_char spir[8], + u_char *buf, u_char *end); + + +#endif /* netdissect_h */ |