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
  25 #ifndef netdissect_h
  26 #define netdissect_h
  27
  28 #ifdef HAVE_OS_PROTO_H
  29 #include "os-proto.h"
  30 #endif
  31 #include <sys/types.h>
  32
  33 #ifndef HAVE___ATTRIBUTE__
  34 #define __attribute__(x)
  35 #endif
  36
  37 /* snprintf et al */
  38
  39 #include <stdarg.h>
  40
  41 #include "ip.h" /* struct ip for nextproto4_cksum() */
  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         u_int v;                /* value */
  76         const char *s;          /* string */
  77 };
  78
  79 #define TOKBUFSIZE 128
  80 extern const char *tok2strbuf(const struct tok *, const char *, u_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_packet_number;        /* print a packet number in the beginning of line */
 128   int ndo_suppress_default_print; /* don't use default_print() for unknown packet types */
 129   int ndo_tstamp_precision;   /* requested time stamp precision */
 130   const char *ndo_dltname;
 131
 132   char *ndo_espsecret;
 133   struct sa_list *ndo_sa_list_head;  /* used by print-esp.c */
 134   struct sa_list *ndo_sa_default;
 135
 136   char *ndo_sigsecret;          /* Signature verification secret key */
 137
 138   struct esp_algorithm *ndo_espsecret_xform;   /* cache of decoded  */
 139   char                 *ndo_espsecret_key;
 140
 141   int   ndo_packettype; /* as specified by -T */
 142
 143   char *ndo_program_name;       /*used to generate self-identifying messages */
 144
 145   int32_t ndo_thiszone; /* seconds offset from gmt to local time */
 146
 147   int   ndo_snaplen;
 148
 149   /*global pointers to beginning and end of current packet (during printing) */
 150   const u_char *ndo_packetp;
 151   const u_char *ndo_snapend;
 152
 153   /* bookkeeping for ^T output */
 154   int ndo_infodelay;
 155
 156   /* pointer to void function to output stuff */
 157   void (*ndo_default_print)(netdissect_options *,
 158                       register const u_char *bp, register u_int length);
 159   void (*ndo_info)(netdissect_options *, int verbose);
 160
 161   int  (*ndo_printf)(netdissect_options *,
 162                      const char *fmt, ...)
 163 #ifdef __ATTRIBUTE___FORMAT_OK_FOR_FUNCTION_POINTERS
 164                      __attribute__ ((format (printf, 2, 3)))
 165 #endif
 166                      ;
 167   void (*ndo_error)(netdissect_options *,
 168                     const char *fmt, ...)
 169 #ifdef __ATTRIBUTE___NORETURN_OK_FOR_FUNCTION_POINTERS
 170                      __attribute__ ((noreturn))
 171 #endif /* __ATTRIBUTE___NORETURN_OK_FOR_FUNCTION_POINTERS */
 172 #ifdef __ATTRIBUTE___FORMAT_OK_FOR_FUNCTION_POINTERS
 173                      __attribute__ ((format (printf, 2, 3)))
 174 #endif /* __ATTRIBUTE___FORMAT_OK_FOR_FUNCTION_POINTERS */
 175                      ;
 176   void (*ndo_warning)(netdissect_options *,
 177                       const char *fmt, ...)
 178 #ifdef __ATTRIBUTE___FORMAT_OK_FOR_FUNCTION_POINTERS
 179                      __attribute__ ((format (printf, 2, 3)))
 180 #endif
 181                      ;
 182 };
 183
 184 #define PT_VAT          1       /* Visual Audio Tool */
 185 #define PT_WB           2       /* distributed White Board */
 186 #define PT_RPC          3       /* Remote Procedure Call */
 187 #define PT_RTP          4       /* Real-Time Applications protocol */
 188 #define PT_RTCP         5       /* Real-Time Applications control protocol */
 189 #define PT_SNMP         6       /* Simple Network Management Protocol */
 190 #define PT_CNFP         7       /* Cisco NetFlow protocol */
 191 #define PT_TFTP         8       /* trivial file transfer protocol */
 192 #define PT_AODV         9       /* Ad-hoc On-demand Distance Vector Protocol */
 193 #define PT_CARP         10      /* Common Address Redundancy Protocol */
 194 #define PT_RADIUS       11      /* RADIUS authentication Protocol */
 195 #define PT_ZMTP1        12      /* ZeroMQ Message Transport Protocol 1.0 */
 196 #define PT_VXLAN        13      /* Virtual eXtensible Local Area Network */
 197 #define PT_PGM          14      /* [UDP-encapsulated] Pragmatic General Multicast */
 198 #define PT_PGM_ZMTP1    15      /* ZMTP/1.0 inside PGM (native or UDP-encapsulated) */
 199 #define PT_LMP          16      /* Link Management Protocol */
 200
 201 #ifndef min
 202 #define min(a,b) ((a)>(b)?(b):(a))
 203 #endif
 204 #ifndef max
 205 #define max(a,b) ((b)>(a)?(b):(a))
 206 #endif
 207
 208 /*
 209  * Maximum snapshot length.  This should be enough to capture the full
 210  * packet on most network interfaces.
 211  *
 212  *
 213  * Somewhat arbitrary, but chosen to be:
 214  *
 215  *    1) big enough for maximum-size Linux loopback packets (65549)
 216  *       and some USB packets captured with USBPcap:
 217  *
 218  *           http://desowin.org/usbpcap/
 219  *
 220  *       (> 131072, < 262144)
 221  *
 222  * and
 223  *
 224  *    2) small enough not to cause attempts to allocate huge amounts of
 225  *       memory; some applications might use the snapshot length in a
 226  *       savefile header to control the size of the buffer they allocate,
 227  *       so a size of, say, 2^31-1 might not work well.
 228  *
 229  * XXX - does it need to be bigger still?
 230  */
 231 #define MAXIMUM_SNAPLEN 262144
 232
 233 /*
 234  * The default snapshot length is the maximum.
 235  */
 236 #define DEFAULT_SNAPLEN MAXIMUM_SNAPLEN
 237
 238 #define ESRC(ep) ((ep)->ether_shost)
 239 #define EDST(ep) ((ep)->ether_dhost)
 240
 241 #ifndef NTOHL
 242 #define NTOHL(x)        (x) = ntohl(x)
 243 #define NTOHS(x)        (x) = ntohs(x)
 244 #define HTONL(x)        (x) = htonl(x)
 245 #define HTONS(x)        (x) = htons(x)
 246 #endif
 247
 248 /*
 249  * True if "l" bytes of "var" were captured.
 250  *
 251  * The "ndo->ndo_snapend - (l) <= ndo->ndo_snapend" checks to make sure
 252  * "l" isn't so large that "ndo->ndo_snapend - (l)" underflows.
 253  *
 254  * The check is for <= rather than < because "l" might be 0.
 255  *
 256  * We cast the pointers to uintptr_t to make sure that the compiler
 257  * doesn't optimize away any of these tests (which it is allowed to
 258  * do, as adding an integer to, or subtracting an integer from, a
 259  * pointer assumes that the pointer is a pointer to an element of an
 260  * array and that the result of the addition or subtraction yields a
 261  * pointer to another member of the array, so that, for example, if
 262  * you subtract a positive integer from a pointer, the result is
 263  * guaranteed to be less than the original pointer value). See
 264  *
 265  *      http://www.kb.cert.org/vuls/id/162289
 266  */
 267 #define ND_TTEST2(var, l) \
 268         ((uintptr_t)ndo->ndo_snapend - (l) <= (uintptr_t)ndo->ndo_snapend && \
 269             (uintptr_t)&(var) <= (uintptr_t)ndo->ndo_snapend - (l))
 270
 271 /* True if "var" was captured */
 272 #define ND_TTEST(var) ND_TTEST2(var, sizeof(var))
 273
 274 /* Bail if "l" bytes of "var" were not captured */
 275 #define ND_TCHECK2(var, l) if (!ND_TTEST2(var, l)) goto trunc
 276
 277 /* Bail if "var" was not captured */
 278 #define ND_TCHECK(var) ND_TCHECK2(var, sizeof(var))
 279
 280 #define ND_PRINT(STUFF) (*ndo->ndo_printf)STUFF
 281 #define ND_DEFAULTPRINT(ap, length) (*ndo->ndo_default_print)(ndo, ap, length)
 282
 283 extern void ts_print(netdissect_options *, const struct timeval *);
 284 extern void relts_print(netdissect_options *, int);
 285
 286 extern int fn_print(netdissect_options *, const u_char *, const u_char *);
 287 extern int fn_printn(netdissect_options *, const u_char *, u_int, const u_char *);
 288 extern int fn_printzp(netdissect_options *, const u_char *, u_int, const u_char *);
 289 extern const char *tok2str(const struct tok *, const char *, int);
 290
 291 #if 0
 292 extern char *read_infile(netdissect_options *, char *);
 293 extern char *copy_argv(netdissect_options *, char **);
 294 #endif
 295
 296 /*
 297  * Locale-independent macros for testing character properties and
 298  * stripping the 8th bit from characters.  Assumed to be handed
 299  * a value between 0 and 255, i.e. don't hand them a char, as
 300  * those might be in the range -128 to 127.
 301  */
 302 #define ND_ISASCII(c)   (!((c) & 0x80)) /* value is an ASCII code point */
 303 #define ND_ISPRINT(c)   ((c) >= 0x20 && (c) <= 0x7E)
 304 #define ND_ISGRAPH(c)   ((c) > 0x20 && (c) <= 0x7E)
 305 #define ND_TOASCII(c)   ((c) & 0x7F)
 306
 307 extern void safeputchar(netdissect_options *, const u_char);
 308 extern void safeputs(netdissect_options *, const u_char *, const u_int);
 309
 310 #ifdef LBL_ALIGN
 311 /*
 312  * The processor doesn't natively handle unaligned loads,
 313  * and the compiler might "helpfully" optimize memcpy()
 314  * and memcmp(), when handed pointers that would normally
 315  * be properly aligned, into sequences that assume proper
 316  * alignment.
 317  *
 318  * Do copies and compares of possibly-unaligned data by
 319  * calling routines that wrap memcpy() and memcmp(), to
 320  * prevent that optimization.
 321  */
 322 extern void unaligned_memcpy(void *, const void *, size_t);
 323 extern int unaligned_memcmp(const void *, const void *, size_t);
 324 #define UNALIGNED_MEMCPY(p, q, l)       unaligned_memcpy((p), (q), (l))
 325 #define UNALIGNED_MEMCMP(p, q, l)       unaligned_memcmp((p), (q), (l))
 326 #else
 327 /*
 328  * The procesor natively handles unaligned loads, so just use memcpy()
 329  * and memcmp(), to enable those optimizations.
 330  */
 331 #define UNALIGNED_MEMCPY(p, q, l)       memcpy((p), (q), (l))
 332 #define UNALIGNED_MEMCMP(p, q, l)       memcmp((p), (q), (l))
 333 #endif
 334
 335 #define PLURAL_SUFFIX(n) \
 336         (((n) != 1) ? "s" : "")
 337
 338 #if 0
 339 extern const char *dnname_string(netdissect_options *, u_short);
 340 extern const char *dnnum_string(netdissect_options *, u_short);
 341 #endif
 342
 343 /* The printer routines. */
 344
 345 #include <pcap.h>
 346
 347 typedef u_int (*if_ndo_printer)(struct netdissect_options *ndo,
 348                                 const struct pcap_pkthdr *, const u_char *);
 349 typedef u_int (*if_printer)(const struct pcap_pkthdr *, const u_char *);
 350
 351 extern if_ndo_printer lookup_ndo_printer(int);
 352 extern if_printer lookup_printer(int);
 353
 354 extern void eap_print(netdissect_options *,const u_char *, u_int);
 355 extern int esp_print(netdissect_options *,
 356                      const u_char *bp, const int length, const u_char *bp2,
 357                      int *nhdr, int *padlen);
 358 extern void arp_print(netdissect_options *,const u_char *, u_int, u_int);
 359 extern void tipc_print(netdissect_options *, const u_char *, u_int, u_int);
 360 extern void msnlb_print(netdissect_options *, const u_char *);
 361 extern void icmp6_print(netdissect_options *ndo, const u_char *,
 362                         u_int, const u_char *, int);
 363 extern void isakmp_print(netdissect_options *,const u_char *,
 364                          u_int, const u_char *);
 365 extern void isakmp_rfc3948_print(netdissect_options *,const u_char *,
 366                                  u_int, const u_char *);
 367 extern void ip_print(netdissect_options *,const u_char *, u_int);
 368 extern void ip_print_inner(netdissect_options *ndo,
 369                            const u_char *bp, u_int length, u_int nh,
 370                            const u_char *bp2);
 371 extern void rrcp_print(netdissect_options *,const u_char *, u_int);
 372 extern void loopback_print(netdissect_options *, const u_char *, const u_int);
 373 extern void carp_print(netdissect_options *, const u_char *, u_int, int);
 374
 375 extern void ether_print(netdissect_options *,
 376                         const u_char *, u_int, u_int,
 377                         void (*)(netdissect_options *, const u_char *),
 378                         const u_char *);
 379
 380 extern u_int ether_if_print(netdissect_options *,
 381                             const struct pcap_pkthdr *,const u_char *);
 382 extern u_int netanalyzer_if_print(netdissect_options *,
 383                                   const struct pcap_pkthdr *,const u_char *);
 384 extern u_int netanalyzer_transparent_if_print(netdissect_options *,
 385                                               const struct pcap_pkthdr *,
 386                                               const u_char *);
 387
 388 extern int ethertype_print(netdissect_options *,u_short, const u_char *,
 389                              u_int, u_int);
 390
 391 extern int print_unknown_data(netdissect_options *,const u_char *, const char *,int);
 392 extern void ascii_print(netdissect_options *, const u_char *, u_int);
 393 extern void hex_print_with_offset(netdissect_options *, const char *ident, const u_char *cp,
 394                                   u_int, u_int);
 395 extern void hex_print(netdissect_options *,const char *ident, const u_char *cp,u_int);
 396 extern void hex_and_ascii_print_with_offset(netdissect_options *, const char *, const u_char *, u_int, u_int);
 397 extern void hex_and_ascii_print(netdissect_options *, const char *, const u_char *, u_int);
 398
 399 extern int ah_print(netdissect_options *, register const u_char *);
 400 extern void beep_print(netdissect_options *, const u_char *, u_int);
 401 extern void dtp_print(netdissect_options *, const u_char *, u_int);
 402 extern u_int cip_if_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *);
 403 extern int ipcomp_print(netdissect_options *, register const u_char *, int *);
 404 extern u_int ipfc_if_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *);
 405 extern void udld_print(netdissect_options *, const u_char *, u_int);
 406 extern void hsrp_print(netdissect_options *, const u_char *, u_int);
 407 extern void igrp_print(netdissect_options *, const u_char *, u_int);
 408 extern void msdp_print(netdissect_options *, const u_char *, u_int);
 409 extern u_int null_if_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *);
 410 extern void mobile_print(netdissect_options *, const u_char *, u_int);
 411 extern u_int ap1394_if_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *);
 412 extern u_int bt_if_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *);
 413 extern void lane_print(netdissect_options *, const u_char *, u_int, u_int);
 414 extern u_int lane_if_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *);
 415 extern void otv_print(netdissect_options *, const u_char *, u_int);
 416 extern void ahcp_print(netdissect_options *, const u_char *, const u_int);
 417 extern void vxlan_print(netdissect_options *, const u_char *, u_int);
 418 extern u_int arcnet_if_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *);
 419 extern u_int arcnet_linux_if_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *);
 420 extern void bfd_print(netdissect_options *, const u_char *, u_int, u_int);
 421 extern void gre_print(netdissect_options *, const u_char *, u_int);
 422 extern int vjc_print(netdissect_options *, register const char *, u_short);
 423 extern void ipN_print(netdissect_options *, const u_char *, u_int);
 424 extern u_int raw_if_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *);
 425 extern u_int usb_linux_48_byte_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *);
 426 extern u_int usb_linux_64_byte_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *);
 427 extern u_int symantec_if_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *);
 428 extern u_int chdlc_if_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *);
 429 extern u_int chdlc_print(netdissect_options *, register const u_char *, u_int);
 430 extern void zmtp1_print(netdissect_options *, const u_char *, u_int);
 431 extern void zmtp1_print_datagram(netdissect_options *, const u_char *, const u_int);
 432 extern void ipx_print(netdissect_options *, const u_char *, u_int);
 433 extern void mpls_print(netdissect_options *, const u_char *, u_int);
 434 extern u_int pppoe_print(netdissect_options *, const u_char *, u_int);
 435 extern u_int pppoe_if_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *);
 436 extern void sunrpcrequest_print(netdissect_options *, const u_char *, u_int, const u_char *);
 437 extern u_int pflog_if_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *);
 438 extern u_int token_print(netdissect_options *, const u_char *, u_int, u_int);
 439 extern u_int token_if_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *);
 440 extern void vqp_print(netdissect_options *, register const u_char *, register u_int);
 441 extern void zephyr_print(netdissect_options *, const u_char *, int);
 442 extern void fddi_print(netdissect_options *, const u_char *, u_int, u_int);
 443 extern u_int fddi_if_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *);
 444 extern void mpcp_print(netdissect_options *, const u_char *, u_int);
 445 extern void rpki_rtr_print(netdissect_options *, const u_char *, u_int);
 446 extern u_int sll_if_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *);
 447 extern void dccp_print(netdissect_options *, const u_char *, const u_char *, u_int);
 448 extern int llc_print(netdissect_options *, const u_char *, u_int, u_int, const u_char *, const u_char *, u_short *);
 449 extern int snap_print(netdissect_options *, const u_char *, u_int, u_int, u_int);
 450 extern void eigrp_print(netdissect_options *, const u_char *, u_int);
 451 extern void stp_print(netdissect_options *, const u_char *, u_int);
 452 extern void l2tp_print(netdissect_options *, const u_char *, u_int);
 453 extern void udp_print(netdissect_options *, const u_char *, u_int, const u_char *, int);
 454 extern void icmp_print(netdissect_options *, const u_char *, u_int, const u_char *, int);
 455 extern void openflow_print(netdissect_options *, const u_char *, const u_int);
 456 extern void telnet_print(netdissect_options *, const u_char *, u_int);
 457 extern void slow_print(netdissect_options *, const u_char *, u_int);
 458 extern void radius_print(netdissect_options *, const u_char *, u_int);
 459 extern void lmp_print(netdissect_options *, const u_char *, u_int);
 460 extern u_int fr_print(netdissect_options *, register const u_char *, u_int);
 461 extern u_int mfr_print(netdissect_options *, register const u_char *, u_int);
 462 extern u_int fr_if_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *);
 463 extern u_int mfr_if_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *);
 464 extern void q933_print(netdissect_options *, const u_char *, u_int);
 465 extern void igmp_print(netdissect_options *, const u_char *, u_int);
 466 extern void rip_print(netdissect_options *, const u_char *, u_int);
 467 extern void lwapp_control_print(netdissect_options *, const u_char *, u_int, int);
 468 extern void lwapp_data_print(netdissect_options *, const u_char *, u_int);
 469 extern void pgm_print(netdissect_options *, const u_char *, u_int, const u_char *);
 470 extern void pptp_print(netdissect_options *, const u_char *);
 471 extern void ldp_print(netdissect_options *, const u_char *, u_int);
 472 extern void wb_print(netdissect_options *, const void *, u_int);
 473 extern int oam_print(netdissect_options *, const u_char *, u_int, u_int);
 474 extern void atm_print(netdissect_options *, u_int, u_int, u_int, const u_char *, u_int, u_int);
 475 extern u_int sunatm_if_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *);
 476 extern u_int atm_if_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *);
 477 extern void vtp_print(netdissect_options *, const u_char *, u_int);
 478 extern int mptcp_print(netdissect_options *, const u_char *, u_int, u_char);
 479 extern void ntp_print(netdissect_options *, const u_char *, u_int);
 480 extern void cnfp_print(netdissect_options *, const u_char *, const u_char *);
 481 extern void dvmrp_print(netdissect_options *, const u_char *, u_int);
 482 extern void egp_print(netdissect_options *, const u_char *, u_int);
 483 extern u_int enc_if_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *);
 484 extern u_int sl_if_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *);
 485 extern u_int sl_bsdos_if_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *);
 486 extern void tftp_print(netdissect_options *, const u_char *, u_int);
 487 extern void vrrp_print(netdissect_options *, const u_char *, u_int, const u_char *, int);
 488 extern void pimv1_print(netdissect_options *, const u_char *, u_int);
 489 extern void cisco_autorp_print(netdissect_options *, const u_char *, u_int);
 490 extern void pim_print(netdissect_options *, const u_char *, u_int, u_int);
 491 extern const u_char * ns_nprint (netdissect_options *, register const u_char *, register const u_char *);
 492 extern void ns_print(netdissect_options *, const u_char *, u_int, int);
 493 extern void bootp_print(netdissect_options *, const u_char *, u_int);
 494 extern void sflow_print(netdissect_options *, const u_char *, u_int);
 495 extern void aodv_print(netdissect_options *, const u_char *, u_int, int);
 496 extern void sctp_print(netdissect_options *, const u_char *, const u_char *, u_int);
 497 extern char *bgp_vpn_rd_print (netdissect_options *, const u_char *);
 498 extern void bgp_print(netdissect_options *, const u_char *, int);
 499 extern void olsr_print(netdissect_options *, const u_char *, u_int, int);
 500 extern void forces_print(netdissect_options *, const u_char *, u_int);
 501 extern void lspping_print(netdissect_options *, const u_char *, u_int);
 502 extern void isoclns_print(netdissect_options *, const u_char *, u_int, u_int);
 503 extern void krb_print(netdissect_options *, const u_char *);
 504 extern void cdp_print(netdissect_options *, const u_char *, u_int, u_int);
 505 extern void atalk_print(netdissect_options *, const u_char *, u_int);
 506 extern u_int ltalk_if_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *);
 507 extern u_int llap_print(netdissect_options *, const u_char *, u_int);
 508 extern void aarp_print(netdissect_options *, const u_char *, u_int);
 509 extern u_int juniper_atm1_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *);
 510 extern u_int juniper_atm2_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *);
 511 extern u_int juniper_mfr_print(netdissect_options *, const struct pcap_pkthdr *, register const u_char *);
 512 extern u_int juniper_mlfr_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *);
 513 extern u_int juniper_mlppp_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *);
 514 extern u_int juniper_pppoe_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *);
 515 extern u_int juniper_pppoe_atm_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *);
 516 extern u_int juniper_ggsn_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *);
 517 extern u_int juniper_es_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *);
 518 extern u_int juniper_monitor_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *);
 519 extern u_int juniper_services_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *);
 520 extern u_int juniper_ether_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *);
 521 extern u_int juniper_ppp_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *);
 522 extern u_int juniper_frelay_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *);
 523 extern u_int juniper_chdlc_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *);
 524 extern void snmp_print(netdissect_options *, const u_char *, u_int);
 525 extern void rx_print(netdissect_options *, register const u_char *, int, int, int, u_char *);
 526 extern void nfsreply_print(netdissect_options *, const u_char *, u_int, const u_char *);
 527 extern void nfsreply_print_noaddr(netdissect_options *, const u_char *, u_int, const u_char *);
 528 extern void nfsreq_print_noaddr(netdissect_options *, const u_char *, u_int, const u_char *);
 529 extern void sip_print(netdissect_options *, const u_char *, u_int);
 530 extern void syslog_print(netdissect_options *, const u_char *, u_int);
 531 extern void lwres_print(netdissect_options *, const u_char *, u_int);
 532 extern void cfm_print(netdissect_options *, const u_char *, u_int);
 533 extern void nbt_tcp_print(netdissect_options *, const u_char *, int);
 534 extern void nbt_udp137_print(netdissect_options *, const u_char *, int);
 535 extern void nbt_udp138_print(netdissect_options *, const u_char *, int);
 536 extern void smb_tcp_print(netdissect_options *, const u_char *, int);
 537 extern void netbeui_print(netdissect_options *, u_short, const u_char *, int);
 538 extern void ipx_netbios_print(netdissect_options *, const u_char *, u_int);
 539 extern void print_data(netdissect_options *, const unsigned char *, int);
 540 extern void decnet_print(netdissect_options *, const u_char *, u_int, u_int);
 541 extern void tcp_print(netdissect_options *, const u_char *, u_int, const u_char *, int);
 542 extern void ospf_print(netdissect_options *, const u_char *, u_int, const u_char *);
 543 extern int ospf_print_te_lsa(netdissect_options *, const uint8_t *, u_int);
 544 extern int ospf_print_grace_lsa(netdissect_options *, const uint8_t *, u_int);
 545 extern u_int ppp_print(netdissect_options *, register const u_char *, u_int);
 546 extern u_int ppp_if_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *);
 547 extern u_int ppp_hdlc_if_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *);
 548 extern u_int ppp_bsdos_if_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *);
 549 extern void lldp_print(netdissect_options *, const u_char *, u_int);
 550 extern void rsvp_print(netdissect_options *, const u_char *, u_int);
 551 extern void timed_print(netdissect_options *, const u_char *);
 552 extern void m3ua_print(netdissect_options *, const u_char *, const u_int);
 553 extern void aoe_print(netdissect_options *, const u_char *, const u_int);
 554
 555 /* stuff that has not yet been rototiled */
 556
 557 #if 0
 558 extern void ascii_print(netdissect_options *,u_int);
 559 extern void default_print(netdissect_options *,const u_char *, u_int);
 560 extern char *smb_errstr(netdissect_options *,int, int);
 561 extern const char *nt_errstr(netdissect_options *, uint32_t);
 562 #endif
 563
 564 extern u_int ipnet_if_print(netdissect_options *,const struct pcap_pkthdr *, const u_char *);
 565 extern u_int ppi_if_print(netdissect_options *,const struct pcap_pkthdr *, const u_char *);
 566 extern u_int nflog_if_print(netdissect_options *,const struct pcap_pkthdr *, const u_char *);
 567 extern u_int ieee802_15_4_if_print(netdissect_options *,const struct pcap_pkthdr *, const u_char *);
 568 extern u_int pktap_if_print(netdissect_options *,const struct pcap_pkthdr *, const u_char *);
 569 extern u_int ieee802_11_radio_if_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *);
 570 extern u_int ieee802_11_if_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *);
 571 extern u_int ieee802_11_radio_avs_if_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *);
 572 extern u_int prism_if_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *);
 573
 574 #ifdef INET6
 575 extern void ip6_print(netdissect_options *,const u_char *, u_int);
 576 extern int frag6_print(netdissect_options *, const u_char *, const u_char *);
 577 extern int rt6_print(netdissect_options *, const u_char *, const u_char *);
 578 extern int hbhopt_print(netdissect_options *, const u_char *);
 579 extern int dstopt_print(netdissect_options *, const u_char *);
 580 extern void ripng_print(netdissect_options *, const u_char *, unsigned int);
 581 extern int mobility_print(netdissect_options *, const u_char *, const u_char *);
 582 extern void dhcp6_print(netdissect_options *, const u_char *, u_int);
 583 extern void ospf6_print(netdissect_options *, const u_char *, u_int);
 584 extern void babel_print(netdissect_options *, const u_char *, u_int);
 585 #endif /*INET6*/
 586
 587 #if 0
 588 struct cksum_vec {
 589         const uint8_t   *ptr;
 590         int             len;
 591 };
 592 extern uint16_t in_cksum(const struct cksum_vec *, int);
 593 extern uint16_t in_cksum_shouldbe(uint16_t, uint16_t);
 594 #endif
 595 extern int nextproto4_cksum(netdissect_options *ndo, const struct ip *, const uint8_t *, u_int, u_int, u_int);
 596 extern int decode_prefix4(netdissect_options *ndo, const u_char *, u_int, char *, u_int);
 597 #ifdef INET6
 598 extern int decode_prefix6(netdissect_options *ndo, const u_char *, u_int, char *, u_int);
 599 #endif
 600
 601 extern void esp_print_decodesecret(netdissect_options *ndo);
 602 extern int esp_print_decrypt_buffer_by_ikev2(netdissect_options *ndo,
 603                                              int initiator,
 604                                              u_char spii[8], u_char spir[8],
 605                                              u_char *buf, u_char *end);
 606
 607
 608 extern void geonet_print(netdissect_options *ndo,const u_char *eth_hdr,const u_char *geo_pck, u_int len);
 609 extern void calm_fast_print(netdissect_options *ndo,const u_char *eth_hdr,const u_char *calm_pck, u_int len);
 610
 611 #endif  /* netdissect_h */