The Tcpdump Group git mirrors - tcpdump/blob - netdissect.h

   1 /*
   2  * Copyright (c) 1988-1997
   3  *      The Regents of the University of California.  All rights reserved.
   4  *
   5  * Copyright (c) 1998-2012  Michael Richardson <mcr@tcpdump.org>
   6  *      The TCPDUMP project
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted provided that: (1) source code distributions
  10  * retain the above copyright notice and this paragraph in its entirety, (2)
  11  * distributions including binary code include the above copyright notice and
  12  * this paragraph in its entirety in the documentation or other materials
  13  * provided with the distribution, and (3) all advertising materials mentioning
  14  * features or use of this software display the following acknowledgement:
  15  * ``This product includes software developed by the University of California,
  16  * Lawrence Berkeley Laboratory and its contributors.'' Neither the name of
  17  * the University nor the names of its contributors may be used to endorse
  18  * or promote products derived from this software without specific prior
  19  * written permission.
  20  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
  21  * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
  22  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
  23  *
  24  * @(#) $Header: /tcpdump/master/tcpdump/netdissect.h,v 1.27 2008-08-16 11:36:20 hannes Exp $ (LBL)
  25  */
  26
  27 #ifndef netdissect_h
  28 #define netdissect_h
  29
  30 #ifdef HAVE_OS_PROTO_H
  31 #include "os-proto.h"
  32 #endif
  33 #include <sys/types.h>
  34
  35 #ifndef HAVE___ATTRIBUTE__
  36 #define __attribute__(x)
  37 #endif
  38
  39 /* snprintf et al */
  40
  41 #include <stdarg.h>
  42
  43 #if !defined(HAVE_SNPRINTF)
  44 int snprintf (char *str, size_t sz, const char *format, ...)
  45 #ifdef __ATTRIBUTE___FORMAT_OK
  46      __attribute__((format (printf, 3, 4)))
  47 #endif /* __ATTRIBUTE___FORMAT_OK */
  48      ;
  49 #endif /* !defined(HAVE_SNPRINTF) */
  50
  51 #if !defined(HAVE_VSNPRINTF)
  52 int vsnprintf (char *str, size_t sz, const char *format, va_list ap)
  53 #ifdef __ATTRIBUTE___FORMAT_OK
  54      __attribute__((format (printf, 3, 0)))
  55 #endif /* __ATTRIBUTE___FORMAT_OK */
  56      ;
  57 #endif /* !defined(HAVE_SNPRINTF) */
  58
  59 #ifndef HAVE_STRLCAT
  60 extern size_t strlcat (char *, const char *, size_t);
  61 #endif
  62 #ifndef HAVE_STRLCPY
  63 extern size_t strlcpy (char *, const char *, size_t);
  64 #endif
  65
  66 #ifndef HAVE_STRDUP
  67 extern char *strdup (const char *str);
  68 #endif
  69
  70 #ifndef HAVE_STRSEP
  71 extern char *strsep(char **, const char *);
  72 #endif
  73
  74 struct tok {
  75         int v;                  /* value */
  76         const char *s;          /* string */
  77 };
  78
  79 #define TOKBUFSIZE 128
  80 extern const char *tok2strbuf(const struct tok *, const char *, int,
  81                               char *buf, size_t bufsize);
  82
  83 /* tok2str is deprecated */
  84 extern const char *tok2str(const struct tok *, const char *, int);
  85 extern char *bittok2str(const struct tok *, const char *, int);
  86 extern char *bittok2str_nosep(const struct tok *, const char *, int);
  87
  88
  89 typedef struct netdissect_options netdissect_options;
  90
  91 struct netdissect_options {
  92   int ndo_aflag;                /* translate network and broadcast addresses */
  93   int ndo_bflag;                /* print 4 byte ASes in ASDOT notation */
  94   int ndo_eflag;                /* print ethernet header */
  95   int ndo_fflag;                /* don't translate "foreign" IP address */
  96   int ndo_Kflag;                /* don't check TCP checksums */
  97   int ndo_nflag;                /* leave addresses as numbers */
  98   int ndo_Nflag;                /* remove domains from printed host names */
  99   int ndo_qflag;                /* quick (shorter) output */
 100   int ndo_Rflag;                /* print sequence # field in AH/ESP*/
 101   int ndo_sflag;                /* use the libsmi to translate OIDs */
 102   int ndo_Sflag;                /* print raw TCP sequence numbers */
 103   int ndo_tflag;                /* print packet arrival time */
 104   int ndo_Uflag;                /* "unbuffered" output of dump files */
 105   int ndo_uflag;                /* Print undecoded NFS handles */
 106   int ndo_vflag;                /* verbose */
 107   int ndo_xflag;                /* print packet in hex */
 108   int ndo_Xflag;                /* print packet in hex/ascii */
 109   int ndo_Aflag;                /* print packet only in ascii observing TAB,
 110                                  * LF, CR and SPACE as graphical chars
 111                                  */
 112   int ndo_Bflag;                /* buffer size */
 113   int ndo_Iflag;                /* rfmon (monitor) mode */
 114   int ndo_Oflag;                /* run filter code optimizer */
 115   int ndo_dlt;                  /* if != -1, ask libpcap for the DLT it names*/
 116   int ndo_jflag;                /* packet time stamp source */
 117   int ndo_pflag;                /* don't go promiscuous */
 118
 119   int ndo_Cflag;                /* rotate dump files after this many bytes */
 120   int ndo_Cflag_count;      /* Keep track of which file number we're writing */
 121   int ndo_Gflag;            /* rotate dump files after this many seconds */
 122   int ndo_Gflag_count;      /* number of files created with Gflag rotation */
 123   time_t ndo_Gflag_time;    /* The last time_t the dump file was rotated. */
 124   int ndo_Wflag;          /* recycle output files after this number of files */
 125   int ndo_WflagChars;
 126   int ndo_Hflag;                /* dissect 802.11s draft mesh standard */
 127   int ndo_suppress_default_print; /* don't use default_print() for unknown packet types */
 128   const char *ndo_dltname;
 129
 130   char *ndo_espsecret;
 131   struct sa_list *ndo_sa_list_head;  /* used by print-esp.c */
 132   struct sa_list *ndo_sa_default;
 133
 134   char *ndo_sigsecret;          /* Signature verification secret key */
 135
 136   struct esp_algorithm *ndo_espsecret_xform;   /* cache of decoded  */
 137   char                 *ndo_espsecret_key;
 138
 139   int   ndo_packettype; /* as specified by -T */
 140
 141   char *ndo_program_name;       /*used to generate self-identifying messages */
 142
 143   int32_t ndo_thiszone; /* seconds offset from gmt to local time */
 144
 145   int   ndo_snaplen;
 146
 147   /*global pointers to beginning and end of current packet (during printing) */
 148   const u_char *ndo_packetp;
 149   const u_char *ndo_snapend;
 150
 151   /* bookkeeping for ^T output */
 152   int ndo_infodelay;
 153
 154   /* pointer to void function to output stuff */
 155   void (*ndo_default_print)(netdissect_options *,
 156                       register const u_char *bp, register u_int length);
 157   void (*ndo_info)(netdissect_options *, int verbose);
 158
 159   int  (*ndo_printf)(netdissect_options *,
 160                      const char *fmt, ...)
 161 #ifdef __ATTRIBUTE___FORMAT_OK_FOR_FUNCTION_POINTERS
 162                      __attribute__ ((format (printf, 2, 3)))
 163 #endif
 164                      ;
 165   void (*ndo_error)(netdissect_options *,
 166                     const char *fmt, ...)
 167 #ifdef __ATTRIBUTE___NORETURN_OK_FOR_FUNCTION_POINTERS
 168                      __attribute__ ((noreturn))
 169 #endif /* __ATTRIBUTE___NORETURN_OK_FOR_FUNCTION_POINTERS */
 170 #ifdef __ATTRIBUTE___FORMAT_OK_FOR_FUNCTION_POINTERS
 171                      __attribute__ ((format (printf, 2, 3)))
 172 #endif /* __ATTRIBUTE___FORMAT_OK_FOR_FUNCTION_POINTERS */
 173                      ;
 174   void (*ndo_warning)(netdissect_options *,
 175                       const char *fmt, ...)
 176 #ifdef __ATTRIBUTE___FORMAT_OK_FOR_FUNCTION_POINTERS
 177                      __attribute__ ((format (printf, 2, 3)))
 178 #endif
 179                      ;
 180 };
 181
 182 #define PT_VAT          1       /* Visual Audio Tool */
 183 #define PT_WB           2       /* distributed White Board */
 184 #define PT_RPC          3       /* Remote Procedure Call */
 185 #define PT_RTP          4       /* Real-Time Applications protocol */
 186 #define PT_RTCP         5       /* Real-Time Applications control protocol */
 187 #define PT_SNMP         6       /* Simple Network Management Protocol */
 188 #define PT_CNFP         7       /* Cisco NetFlow protocol */
 189 #define PT_TFTP         8       /* trivial file transfer protocol */
 190 #define PT_AODV         9       /* Ad-hoc On-demand Distance Vector Protocol */
 191 #define PT_CARP         10      /* Common Address Redundancy Protocol */
 192 #define PT_RADIUS       11      /* RADIUS authentication Protocol */
 193 #define PT_ZMTP1        12      /* ZeroMQ Message Transport Protocol 1.0 */
 194 #define PT_VXLAN        13      /* Virtual eXtensible Local Area Network */
 195 #define PT_PGM          14      /* [UDP-encapsulated] Pragmatic General Multicast */
 196 #define PT_PGM_ZMTP1    15      /* ZMTP/1.0 inside PGM (native or UDP-encapsulated) */
 197 #define PT_LMP          16      /* Link Management Protocol */
 198
 199 #ifndef min
 200 #define min(a,b) ((a)>(b)?(b):(a))
 201 #endif
 202 #ifndef max
 203 #define max(a,b) ((b)>(a)?(b):(a))
 204 #endif
 205
 206 /*
 207  * Maximum snapshot length.  This should be enough to capture the full
 208  * packet on most network interfaces.
 209  *
 210  * XXX - could it be larger?  If so, should it?  Some applications might
 211  * use the snapshot length in a savefile header to control the size of
 212  * the buffer they allocate, so a size of, say, 2^31-1 might not work
 213  * well.
 214  */
 215 #define MAXIMUM_SNAPLEN 65535
 216
 217 /*
 218  * The default snapshot length is the maximum.
 219  */
 220 #define DEFAULT_SNAPLEN MAXIMUM_SNAPLEN
 221
 222 #define ESRC(ep) ((ep)->ether_shost)
 223 #define EDST(ep) ((ep)->ether_dhost)
 224
 225 #ifndef NTOHL
 226 #define NTOHL(x)        (x) = ntohl(x)
 227 #define NTOHS(x)        (x) = ntohs(x)
 228 #define HTONL(x)        (x) = htonl(x)
 229 #define HTONS(x)        (x) = htons(x)
 230 #endif
 231
 232 /*
 233  * True if "l" bytes of "var" were captured.
 234  *
 235  * The "ndo->ndo_snapend - (l) <= ndo->ndo_snapend" checks to make sure
 236  * "l" isn't so large that "ndo->ndo_snapend - (l)" underflows.
 237  *
 238  * The check is for <= rather than < because "l" might be 0.
 239  */
 240 #define ND_TTEST2(var, l) (ndo->ndo_snapend - (l) <= ndo->ndo_snapend && \
 241                         (const u_char *)&(var) <= ndo->ndo_snapend - (l))
 242
 243 /* True if "var" was captured */
 244 #define ND_TTEST(var) ND_TTEST2(var, sizeof(var))
 245
 246 /* Bail if "l" bytes of "var" were not captured */
 247 #define ND_TCHECK2(var, l) if (!ND_TTEST2(var, l)) goto trunc
 248
 249 /* Bail if "var" was not captured */
 250 #define ND_TCHECK(var) ND_TCHECK2(var, sizeof(var))
 251
 252 #define ND_PRINT(STUFF) (*ndo->ndo_printf)STUFF
 253 #define ND_DEFAULTPRINT(ap, length) (*ndo->ndo_default_print)(ndo, ap, length)
 254
 255 #if 0
 256 extern void ts_print(netdissect_options *ipdo,
 257                      const struct timeval *);
 258 extern void relts_print(int);
 259 #endif
 260
 261 extern int fn_print(const u_char *, const u_char *);
 262 extern int fn_printn(const u_char *, u_int, const u_char *);
 263 extern const char *tok2str(const struct tok *, const char *, int);
 264
 265 extern void wrapup(int);
 266
 267 #if 0
 268 extern char *read_infile(netdissect_options *, char *);
 269 extern char *copy_argv(netdissect_options *, char **);
 270 #endif
 271
 272 extern void safeputchar(int);
 273 extern void safeputs(const char *, int);
 274
 275 #define PLURAL_SUFFIX(n) \
 276         (((n) != 1) ? "s" : "")
 277
 278 #if 0
 279 extern const char *isonsap_string(netdissect_options *, const u_char *);
 280 extern const char *protoid_string(netdissect_options *, const u_char *);
 281 extern const char *dnname_string(netdissect_options *, u_short);
 282 extern const char *dnnum_string(netdissect_options *, u_short);
 283 #endif
 284
 285 /* The printer routines. */
 286
 287 #include <pcap.h>
 288
 289 typedef u_int (*if_ndo_printer)(struct netdissect_options *ndo,
 290                                 const struct pcap_pkthdr *, const u_char *);
 291 typedef u_int (*if_printer)(const struct pcap_pkthdr *, const u_char *);
 292
 293 extern if_ndo_printer lookup_ndo_printer(int);
 294 extern if_printer lookup_printer(int);
 295
 296 extern void eap_print(netdissect_options *,const u_char *, u_int);
 297 extern int esp_print(netdissect_options *,
 298                      register const u_char *bp, int len, register const u_char *bp2,
 299                      int *nhdr, int *padlen);
 300 extern void arp_print(netdissect_options *,const u_char *, u_int, u_int);
 301 extern void tipc_print(netdissect_options *, const u_char *, u_int, u_int);
 302 extern void msnlb_print(netdissect_options *, const u_char *);
 303 extern void icmp6_print(netdissect_options *ndo, const u_char *,
 304                         u_int, const u_char *, int);
 305 extern void isakmp_print(netdissect_options *,const u_char *,
 306                          u_int, const u_char *);
 307 extern void isakmp_rfc3948_print(netdissect_options *,const u_char *,
 308                                  u_int, const u_char *);
 309 extern void ip_print(netdissect_options *,const u_char *, u_int);
 310 extern void ip_print_inner(netdissect_options *ndo,
 311                            const u_char *bp, u_int length, u_int nh,
 312                            const u_char *bp2);
 313 extern void rrcp_print(netdissect_options *,const u_char *, u_int);
 314
 315 extern void ether_print(netdissect_options *,
 316                         const u_char *, u_int, u_int,
 317                         void (*)(netdissect_options *, const u_char *),
 318                         const u_char *);
 319
 320 extern u_int ether_if_print(netdissect_options *,
 321                             const struct pcap_pkthdr *,const u_char *);
 322 extern u_int netanalyzer_if_print(netdissect_options *,
 323                                   const struct pcap_pkthdr *,const u_char *);
 324 extern u_int netanalyzer_transparent_if_print(netdissect_options *,
 325                                               const struct pcap_pkthdr *,
 326                                               const u_char *);
 327
 328 extern int ethertype_print(netdissect_options *,u_short, const u_char *,
 329                              u_int, u_int);
 330
 331 extern int print_unknown_data(netdissect_options *,const u_char *, const char *,int);
 332 extern void hex_print_with_offset(netdissect_options *, const char *ident, const u_char *cp,
 333                                   u_int, u_int);
 334 extern void hex_print(netdissect_options *,const char *ident, const u_char *cp,u_int);
 335
 336 /* stuff that has not yet been rototiled */
 337 #if 0
 338 extern void ascii_print(netdissect_options *,u_int);
 339 extern void hex_and_ascii_print_with_offset(netdissect_options *,const char *,
 340                                     u_int, u_int);
 341 extern void hex_and_ascii_print(netdissect_options *,const char *, u_int);
 342 extern void telnet_print(netdissect_options *,const u_char *, u_int);
 343 extern int llc_print(netdissect_options *,
 344                      const u_char *, u_int, u_int, const u_char *,
 345                      const u_char *, u_short *);
 346 extern void aarp_print(netdissect_options *,const u_char *, u_int);
 347 extern void atalk_print(netdissect_options *,const u_char *, u_int);
 348 extern void atm_if_print(u_char *,const struct pcap_pkthdr *, const u_char *);
 349 extern void bootp_print(netdissect_options *,const u_char *,
 350                         u_int, u_short, u_short);
 351 extern void bgp_print(netdissect_options *,const u_char *, int);
 352 extern void bxxp_print(netdissect_options *,const u_char *, u_int);
 353 extern void chdlc_if_print(u_char *user, const struct pcap_pkthdr *h,
 354                            register const u_char *p);
 355 extern void chdlc_print(netdissect_options *ndo,
 356                         register const u_char *p, u_int length, u_int caplen);
 357 extern void cisco_autorp_print(netdissect_options *,
 358                                const u_char *, u_int);
 359 extern void cnfp_print(netdissect_options *,const u_char *cp,
 360                        u_int len, const u_char *bp);
 361 extern void decnet_print(netdissect_options *,const u_char *,
 362                          u_int, u_int);
 363 extern void default_print(netdissect_options *,const u_char *, u_int);
 364 extern void dvmrp_print(netdissect_options *,const u_char *, u_int);
 365 extern void egp_print(netdissect_options *,const u_char *, u_int,
 366                       const u_char *);
 367
 368 extern void arcnet_if_print(u_char*,const struct pcap_pkthdr *,const u_char *);
 369 extern void token_if_print(u_char *,const struct pcap_pkthdr *,const u_char *);
 370 extern void fddi_if_print(u_char *,const struct pcap_pkthdr *, const u_char *);
 371
 372 extern void gre_print(netdissect_options *,const u_char *, u_int);
 373 extern void icmp_print(netdissect_options *,const u_char *, u_int,
 374                        const u_char *);
 375 extern void hsrp_print(netdissect_options *ndo,
 376                        register const u_char *bp, register u_int len);
 377 extern void ieee802_11_if_print(u_char *,const struct pcap_pkthdr *, const u_char *);
 378 extern void igmp_print(netdissect_options *,
 379                        register const u_char *, u_int);
 380 extern void igrp_print(netdissect_options *,const u_char *, u_int,
 381                        const u_char *);
 382 extern int nextproto4_cksum(const struct ip *, const u_int8_t *, u_int, u_int);
 383 extern void ipN_print(netdissect_options *,const u_char *, u_int);
 384 extern void ipx_print(netdissect_options *,const u_char *, u_int);
 385 extern void isoclns_print(netdissect_options *,const u_char *,
 386                           u_int, u_int, const u_char *, const u_char *);
 387 extern void krb_print(netdissect_options *,const u_char *, u_int);
 388 extern void llap_print(netdissect_options *,const u_char *, u_int);
 389 extern const char *linkaddr_string(netdissect_options *ndo,
 390                                    const u_char *ep, const unsigned int len);
 391 extern void ltalk_if_print(netdissect_options *ndo,
 392                            u_char *user, const struct pcap_pkthdr *h,
 393                            const u_char *p);
 394 extern void mpls_print(netdissect_options *ndo,
 395                        const u_char *bp, u_int length);
 396 extern void msdp_print(netdissect_options *ndo,
 397                        const unsigned char *sp, u_int length);
 398 extern void nfsreply_print(netdissect_options *,const u_char *,
 399                            u_int, const u_char *);
 400 extern void nfsreq_print(netdissect_options *,const u_char *,
 401                          u_int, const u_char *);
 402 extern void ns_print(netdissect_options *,const u_char *, u_int);
 403 extern void ntp_print(netdissect_options *,const u_char *, u_int);
 404 extern void null_if_print(u_char *,const struct pcap_pkthdr *, const u_char *);
 405 extern void ospf_print(netdissect_options *,const u_char *,
 406                        u_int, const u_char *);
 407 extern void pimv1_print(netdissect_options *,const u_char *, u_int);
 408 extern void mobile_print(netdissect_options *,const u_char *, u_int);
 409 extern void pim_print(netdissect_options *,const u_char *, u_int, u_int);
 410 extern void pppoe_if_print(u_char *,const struct pcap_pkthdr *, const u_char *);
 411 extern void pppoe_print(netdissect_options *,const u_char *, u_int);
 412 extern void ppp_print(netdissect_options *,
 413                       register const u_char *, u_int);
 414
 415 extern void ppp_if_print(u_char *,const struct pcap_pkthdr *, const u_char *);
 416 extern void ppp_hdlc_if_print(u_char *,
 417                               const struct pcap_pkthdr *, const u_char *);
 418 extern void ppp_bsdos_if_print(u_char *,
 419                                const struct pcap_pkthdr *, const u_char *);
 420
 421 extern int vjc_print(netdissect_options *,register const char *,
 422                      register u_int, u_short);
 423
 424 extern void raw_if_print(u_char *,
 425                          const struct pcap_pkthdr *, const u_char *);
 426
 427 extern void rip_print(netdissect_options *,const u_char *, u_int);
 428 extern void rpki_rtr_print(netdissect_options *,const u_char *, u_int);
 429
 430 extern void sctp_print(netdissect_options *ndo,
 431                        const u_char *bp, const u_char *bp2,
 432                        u_int sctpPacketLength);
 433
 434 extern void sl_if_print(u_char *,const struct pcap_pkthdr *, const u_char *);
 435
 436 extern void lane_if_print(u_char *,const struct pcap_pkthdr *,const u_char *);
 437 extern void cip_if_print(u_char *,const struct pcap_pkthdr *,const u_char *);
 438 extern void sl_bsdos_if_print(u_char *,
 439                               const struct pcap_pkthdr *, const u_char *);
 440 extern void sll_if_print(u_char *,
 441                          const struct pcap_pkthdr *, const u_char *);
 442
 443 extern void snmp_print(netdissect_options *,const u_char *, u_int);
 444 extern void sunrpcrequest_print(netdissect_options *,const u_char *,
 445                                 u_int, const u_char *);
 446 extern void tcp_print(netdissect_options *,const u_char *, u_int,
 447                       const u_char *, int);
 448 extern void tftp_print(netdissect_options *,const u_char *, u_int);
 449 extern void timed_print(netdissect_options *,const u_char *, u_int);
 450 extern void udp_print(netdissect_options *,const u_char *, u_int,
 451                       const u_char *, int);
 452 extern void wb_print(netdissect_options *,const void *, u_int);
 453 extern int ah_print(netdissect_options *,register const u_char *,
 454                     register const u_char *);
 455 extern void esp_print_decodesecret(netdissect_options *ndo);
 456 extern int ipcomp_print(netdissect_options *,register const u_char *,
 457                         register const u_char *, int *);
 458 extern void rx_print(netdissect_options *,register const u_char *,
 459                      int, int, int, u_char *);
 460 extern void netbeui_print(netdissect_options *,u_short,
 461                           const u_char *, int);
 462 extern void ipx_netbios_print(netdissect_options *,const u_char *, u_int);
 463 extern void nbt_tcp_print(netdissect_options *,const u_char *, int);
 464 extern void nbt_udp137_print(netdissect_options *,
 465                              const u_char *data, int);
 466 extern void nbt_udp138_print(netdissect_options *,
 467                              const u_char *data, int);
 468 extern char *smb_errstr(netdissect_options *,int, int);
 469 extern const char *nt_errstr(netdissect_options *, u_int32_t);
 470 extern void print_data(netdissect_options *,const unsigned char *, int);
 471 extern void l2tp_print(netdissect_options *,const u_char *, u_int);
 472 extern void lcp_print(netdissect_options *,const u_char *, u_int);
 473 extern void vrrp_print(netdissect_options *,const u_char *bp,
 474                        u_int len, int ttl);
 475 extern void carp_print(netdissect_options *,const u_char *bp,
 476                        u_int len, int ttl);
 477 extern void cdp_print(netdissect_options *,const u_char *,
 478                       u_int, u_int, const u_char *, const u_char *);
 479 extern void stp_print(netdissect_options *,const u_char *p, u_int length);
 480 extern void radius_print(netdissect_options *,const u_char *, u_int);
 481 extern void lwres_print(netdissect_options *,const u_char *, u_int);
 482 extern void pptp_print(netdissect_options *,const u_char *, u_int);
 483 #endif
 484
 485 extern u_int ipnet_if_print(netdissect_options *,const struct pcap_pkthdr *, const u_char *);
 486 extern u_int ppi_if_print(netdissect_options *,const struct pcap_pkthdr *, const u_char *);
 487 extern u_int nflog_if_print(netdissect_options *,const struct pcap_pkthdr *, const u_char *);
 488 extern u_int ieee802_15_4_if_print(netdissect_options *,const struct pcap_pkthdr *, const u_char *);
 489
 490 #ifdef INET6
 491 extern void ip6_print(netdissect_options *,const u_char *, u_int);
 492 #if 0
 493 extern void ip6_opt_print(netdissect_options *,const u_char *, int);
 494 extern int nextproto6_cksum(const struct ip6_hdr *, const u_int8_t *, u_int, u_int);
 495 extern int hbhopt_print(netdissect_options *,const u_char *);
 496 extern int dstopt_print(netdissect_options *,const u_char *);
 497 extern int frag6_print(netdissect_options *,const u_char *,
 498                        const u_char *);
 499 extern void icmp6_print(netdissect_options *,const u_char *,
 500                         const u_char *);
 501 extern void ripng_print(netdissect_options *,const u_char *, int);
 502 extern int rt6_print(netdissect_options *,const u_char *, const u_char *);
 503 extern void ospf6_print(netdissect_options *,const u_char *, u_int);
 504 extern void dhcp6_print(netdissect_options *,const u_char *,
 505                         u_int, u_int16_t, u_int16_t);
 506
 507 extern void zephyr_print(netdissect_options * ndo,
 508                          const u_char *cp, int length);
 509 #endif /* 0 */
 510
 511 #endif /*INET6*/
 512
 513 #if 0
 514 struct cksum_vec {
 515         const u_int8_t  *ptr;
 516         int             len;
 517 };
 518 extern u_int16_t in_cksum(const struct cksum_vec *, int);
 519 extern u_int16_t in_cksum_shouldbe(u_int16_t, u_int16_t);
 520 #endif
 521
 522 extern void esp_print_decodesecret(netdissect_options *ndo);
 523 extern int esp_print_decrypt_buffer_by_ikev2(netdissect_options *ndo,
 524                                              int initiator,
 525                                              u_char spii[8], u_char spir[8],
 526                                              u_char *buf, u_char *end);
 527
 528
 529 extern void geonet_print(netdissect_options *ndo,const u_char *eth_hdr,const u_char *geo_pck, u_int len);
 530 extern void calm_fast_print(netdissect_options *ndo,const u_char *eth_hdr,const u_char *calm_pck, u_int len);
 531
 532 #endif  /* netdissect_h */