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 /* stuff that has not yet been rototiled */ 332 #if 0 333 extern void ascii_print(netdissect_options *,u_int); 334 extern void hex_and_ascii_print_with_offset(netdissect_options *,const char *, 335 u_int, u_int); 336 extern void hex_and_ascii_print(netdissect_options *,const char *, u_int); 337 extern void hex_print_with_offset(netdissect_options *,const char *, 338 u_int, u_int); 339 extern void hex_print(netdissect_options *,const char *, u_int); 340 extern void telnet_print(netdissect_options *,const u_char *, u_int); 341 extern int llc_print(netdissect_options *, 342 const u_char *, u_int, u_int, const u_char *, 343 const u_char *, u_short *); 344 extern void aarp_print(netdissect_options *,const u_char *, u_int); 345 extern void atalk_print(netdissect_options *,const u_char *, u_int); 346 extern void atm_if_print(u_char *,const struct pcap_pkthdr *, const u_char *); 347 extern void bootp_print(netdissect_options *,const u_char *, 348 u_int, u_short, u_short); 349 extern void bgp_print(netdissect_options *,const u_char *, int); 350 extern void bxxp_print(netdissect_options *,const u_char *, u_int); 351 extern void chdlc_if_print(u_char *user, const struct pcap_pkthdr *h, 352 register const u_char *p); 353 extern void chdlc_print(netdissect_options *ndo, 354 register const u_char *p, u_int length, u_int caplen); 355 extern void cisco_autorp_print(netdissect_options *, 356 const u_char *, u_int); 357 extern void cnfp_print(netdissect_options *,const u_char *cp, 358 u_int len, const u_char *bp); 359 extern void decnet_print(netdissect_options *,const u_char *, 360 u_int, u_int); 361 extern void default_print(netdissect_options *,const u_char *, u_int); 362 extern void dvmrp_print(netdissect_options *,const u_char *, u_int); 363 extern void egp_print(netdissect_options *,const u_char *, u_int, 364 const u_char *); 365 366 extern void arcnet_if_print(u_char*,const struct pcap_pkthdr *,const u_char *); 367 extern void token_if_print(u_char *,const struct pcap_pkthdr *,const u_char *); 368 extern void fddi_if_print(u_char *,const struct pcap_pkthdr *, const u_char *); 369 370 extern void gre_print(netdissect_options *,const u_char *, u_int); 371 extern void icmp_print(netdissect_options *,const u_char *, u_int, 372 const u_char *); 373 extern void hsrp_print(netdissect_options *ndo, 374 register const u_char *bp, register u_int len); 375 extern void ieee802_11_if_print(u_char *,const struct pcap_pkthdr *, const u_char *); 376 extern void igmp_print(netdissect_options *, 377 register const u_char *, u_int); 378 extern void igrp_print(netdissect_options *,const u_char *, u_int, 379 const u_char *); 380 extern int nextproto4_cksum(const struct ip *, const u_int8_t *, u_int, u_int); 381 extern void ipN_print(netdissect_options *,const u_char *, u_int); 382 extern void ipx_print(netdissect_options *,const u_char *, u_int); 383 extern void isoclns_print(netdissect_options *,const u_char *, 384 u_int, u_int, const u_char *, const u_char *); 385 extern void krb_print(netdissect_options *,const u_char *, u_int); 386 extern void llap_print(netdissect_options *,const u_char *, u_int); 387 extern const char *linkaddr_string(netdissect_options *ndo, 388 const u_char *ep, const unsigned int len); 389 extern void ltalk_if_print(netdissect_options *ndo, 390 u_char *user, const struct pcap_pkthdr *h, 391 const u_char *p); 392 extern void mpls_print(netdissect_options *ndo, 393 const u_char *bp, u_int length); 394 extern void msdp_print(netdissect_options *ndo, 395 const unsigned char *sp, u_int length); 396 extern void nfsreply_print(netdissect_options *,const u_char *, 397 u_int, const u_char *); 398 extern void nfsreq_print(netdissect_options *,const u_char *, 399 u_int, const u_char *); 400 extern void ns_print(netdissect_options *,const u_char *, u_int); 401 extern void ntp_print(netdissect_options *,const u_char *, u_int); 402 extern void null_if_print(u_char *,const struct pcap_pkthdr *, const u_char *); 403 extern void ospf_print(netdissect_options *,const u_char *, 404 u_int, const u_char *); 405 extern void pimv1_print(netdissect_options *,const u_char *, u_int); 406 extern void mobile_print(netdissect_options *,const u_char *, u_int); 407 extern void pim_print(netdissect_options *,const u_char *, u_int, u_int); 408 extern void pppoe_if_print(u_char *,const struct pcap_pkthdr *, const u_char *); 409 extern void pppoe_print(netdissect_options *,const u_char *, u_int); 410 extern void ppp_print(netdissect_options *, 411 register const u_char *, u_int); 412 413 extern void ppp_if_print(u_char *,const struct pcap_pkthdr *, const u_char *); 414 extern void ppp_hdlc_if_print(u_char *, 415 const struct pcap_pkthdr *, const u_char *); 416 extern void ppp_bsdos_if_print(u_char *, 417 const struct pcap_pkthdr *, const u_char *); 418 419 extern int vjc_print(netdissect_options *,register const char *, 420 register u_int, u_short); 421 422 extern void raw_if_print(u_char *, 423 const struct pcap_pkthdr *, const u_char *); 424 425 extern void rip_print(netdissect_options *,const u_char *, u_int); 426 extern void rpki_rtr_print(netdissect_options *,const u_char *, u_int); 427 428 extern void sctp_print(netdissect_options *ndo, 429 const u_char *bp, const u_char *bp2, 430 u_int sctpPacketLength); 431 432 extern void sl_if_print(u_char *,const struct pcap_pkthdr *, const u_char *); 433 434 extern void lane_if_print(u_char *,const struct pcap_pkthdr *,const u_char *); 435 extern void cip_if_print(u_char *,const struct pcap_pkthdr *,const u_char *); 436 extern void sl_bsdos_if_print(u_char *, 437 const struct pcap_pkthdr *, const u_char *); 438 extern void sll_if_print(u_char *, 439 const struct pcap_pkthdr *, const u_char *); 440 441 extern void snmp_print(netdissect_options *,const u_char *, u_int); 442 extern void sunrpcrequest_print(netdissect_options *,const u_char *, 443 u_int, const u_char *); 444 extern void tcp_print(netdissect_options *,const u_char *, u_int, 445 const u_char *, int); 446 extern void tftp_print(netdissect_options *,const u_char *, u_int); 447 extern void timed_print(netdissect_options *,const u_char *, u_int); 448 extern void udp_print(netdissect_options *,const u_char *, u_int, 449 const u_char *, int); 450 extern void wb_print(netdissect_options *,const void *, u_int); 451 extern int ah_print(netdissect_options *,register const u_char *, 452 register const u_char *); 453 extern void esp_print_decodesecret(netdissect_options *ndo); 454 extern int ipcomp_print(netdissect_options *,register const u_char *, 455 register const u_char *, int *); 456 extern void rx_print(netdissect_options *,register const u_char *, 457 int, int, int, u_char *); 458 extern void netbeui_print(netdissect_options *,u_short, 459 const u_char *, int); 460 extern void ipx_netbios_print(netdissect_options *,const u_char *, u_int); 461 extern void nbt_tcp_print(netdissect_options *,const u_char *, int); 462 extern void nbt_udp137_print(netdissect_options *, 463 const u_char *data, int); 464 extern void nbt_udp138_print(netdissect_options *, 465 const u_char *data, int); 466 extern char *smb_errstr(netdissect_options *,int, int); 467 extern const char *nt_errstr(netdissect_options *, u_int32_t); 468 extern void print_data(netdissect_options *,const unsigned char *, int); 469 extern void l2tp_print(netdissect_options *,const u_char *, u_int); 470 extern void lcp_print(netdissect_options *,const u_char *, u_int); 471 extern void vrrp_print(netdissect_options *,const u_char *bp, 472 u_int len, int ttl); 473 extern void carp_print(netdissect_options *,const u_char *bp, 474 u_int len, int ttl); 475 extern void cdp_print(netdissect_options *,const u_char *, 476 u_int, u_int, const u_char *, const u_char *); 477 extern void stp_print(netdissect_options *,const u_char *p, u_int length); 478 extern void radius_print(netdissect_options *,const u_char *, u_int); 479 extern void lwres_print(netdissect_options *,const u_char *, u_int); 480 extern void pptp_print(netdissect_options *,const u_char *, u_int); 481 #endif 482 483 extern u_int ipnet_if_print(netdissect_options *,const struct pcap_pkthdr *, const u_char *); 484 extern u_int ppi_if_print(netdissect_options *,const struct pcap_pkthdr *, const u_char *); 485 extern u_int nflog_if_print(netdissect_options *,const struct pcap_pkthdr *, const u_char *); 486 extern u_int ieee802_15_4_if_print(netdissect_options *,const struct pcap_pkthdr *, const u_char *); 487 488 #ifdef INET6 489 extern void ip6_print(netdissect_options *,const u_char *, u_int); 490 #if 0 491 extern void ip6_opt_print(netdissect_options *,const u_char *, int); 492 extern int nextproto6_cksum(const struct ip6_hdr *, const u_int8_t *, u_int, u_int); 493 extern int hbhopt_print(netdissect_options *,const u_char *); 494 extern int dstopt_print(netdissect_options *,const u_char *); 495 extern int frag6_print(netdissect_options *,const u_char *, 496 const u_char *); 497 extern void icmp6_print(netdissect_options *,const u_char *, 498 const u_char *); 499 extern void ripng_print(netdissect_options *,const u_char *, int); 500 extern int rt6_print(netdissect_options *,const u_char *, const u_char *); 501 extern void ospf6_print(netdissect_options *,const u_char *, u_int); 502 extern void dhcp6_print(netdissect_options *,const u_char *, 503 u_int, u_int16_t, u_int16_t); 504 505 extern void zephyr_print(netdissect_options * ndo, 506 const u_char *cp, int length); 507 #endif /* 0 */ 508 509 #endif /*INET6*/ 510 511 #if 0 512 struct cksum_vec { 513 const u_int8_t *ptr; 514 int len; 515 }; 516 extern u_int16_t in_cksum(const struct cksum_vec *, int); 517 extern u_int16_t in_cksum_shouldbe(u_int16_t, u_int16_t); 518 #endif 519 520 extern void esp_print_decodesecret(netdissect_options *ndo); 521 extern int esp_print_decrypt_buffer_by_ikev2(netdissect_options *ndo, 522 int initiator, 523 u_char spii[8], u_char spir[8], 524 u_char *buf, u_char *end); 525 526 527 extern void geonet_print(netdissect_options *ndo,const u_char *eth_hdr,const u_char *geo_pck, u_int len); 528 extern void calm_fast_print(netdissect_options *ndo,const u_char *eth_hdr,const u_char *calm_pck, u_int len); 529 530 #endif /* netdissect_h */ 531