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 (at) 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 /* 38 * Data types corresponding to multi-byte integral values within data 39 * structures. These are defined as arrays of octets, so that they're 40 * not aligned on their "natural" boundaries, and so that you *must* 41 * use the EXTRACT_ macros to extract them (which you should be doing 42 * *anyway*, so as not to assume a particular byte order or alignment 43 * in your code). 44 */ 45 typedef unsigned char nd_uint16_t[2]; 46 typedef unsigned char nd_uint24_t[3]; 47 typedef unsigned char nd_uint32_t[4]; 48 typedef unsigned char nd_uint40_t[5]; 49 typedef unsigned char nd_uint48_t[6]; 50 typedef unsigned char nd_uint56_t[7]; 51 typedef unsigned char nd_uint64_t[8]; 52 53 /* 54 * Use this for IPv4 addresses. It's defined as an array of octets, so 55 * that it's not aligned on its "natural" boundary, and it's defined as 56 * a structure in the hopes that this makes it harder to naively use 57 * EXTRACT_32BITS() to extract the value - in many cases you just want 58 * to use UNALIGNED_MEMCPY() to copy its value, so that it remains in 59 * network byte order. 60 */ 61 typedef struct { 62 unsigned char bytes[4]; 63 } nd_ipv4; 64 65 /* 66 * Data types corresponding to single-byte integral values, for 67 * completeness. 68 */ 69 typedef unsigned char nd_uint8_t; 70 typedef signed char nd_int8_t; 71 72 /* snprintf et al */ 73 74 #include <stdarg.h> 75 #include <pcap.h> 76 77 #include "ip.h" /* struct ip for nextproto4_cksum() */ 78 #include "ip6.h" /* struct ip6 for nextproto6_cksum() */ 79 80 extern int32_t thiszone; /* seconds offset from gmt to local time */ 81 /* invalid string to print '(invalid)' for malformed or corrupted packets */ 82 extern const char istr[]; 83 84 #if !defined(HAVE_SNPRINTF) 85 int snprintf (char *str, size_t sz, const char *format, ...) 86 #ifdef __ATTRIBUTE___FORMAT_OK 87 __attribute__((format (printf, 3, 4))) 88 #endif /* __ATTRIBUTE___FORMAT_OK */ 89 ; 90 #endif /* !defined(HAVE_SNPRINTF) */ 91 92 #if !defined(HAVE_VSNPRINTF) 93 int vsnprintf (char *str, size_t sz, const char *format, va_list ap) 94 #ifdef __ATTRIBUTE___FORMAT_OK 95 __attribute__((format (printf, 3, 0))) 96 #endif /* __ATTRIBUTE___FORMAT_OK */ 97 ; 98 #endif /* !defined(HAVE_VSNPRINTF) */ 99 100 #ifndef HAVE_STRLCAT 101 extern size_t strlcat (char *, const char *, size_t); 102 #endif 103 #ifndef HAVE_STRLCPY 104 extern size_t strlcpy (char *, const char *, size_t); 105 #endif 106 107 #ifndef HAVE_STRDUP 108 extern char *strdup (const char *str); 109 #endif 110 111 #ifndef HAVE_STRSEP 112 extern char *strsep(char **, const char *); 113 #endif 114 115 struct tok { 116 u_int v; /* value */ 117 const char *s; /* string */ 118 }; 119 120 extern const char *tok2strbuf(const struct tok *, const char *, u_int, 121 char *buf, size_t bufsize); 122 123 /* tok2str is deprecated */ 124 extern const char *tok2str(const struct tok *, const char *, u_int); 125 extern char *bittok2str(const struct tok *, const char *, u_int); 126 extern char *bittok2str_nosep(const struct tok *, const char *, u_int); 127 128 /* Initialize netdissect. */ 129 extern int nd_init(char *, size_t); 130 /* Clean up netdissect. */ 131 extern void nd_cleanup(void); 132 133 /* Do we have libsmi support? */ 134 extern int nd_have_smi_support(void); 135 /* Load an SMI module. */ 136 extern int nd_load_smi_module(const char *, char *, size_t); 137 /* Flag indicating whether an SMI module has been loaded. */ 138 extern int nd_smi_module_loaded; 139 /* Version number of the SMI library, or NULL if we don't have libsmi support. */ 140 extern const char *nd_smi_version_string(void); 141 142 typedef struct netdissect_options netdissect_options; 143 144 #define IF_PRINTER_ARGS (netdissect_options *, const struct pcap_pkthdr *, const u_char *) 145 146 typedef u_int (*if_printer) IF_PRINTER_ARGS; 147 148 struct netdissect_options { 149 int ndo_bflag; /* print 4 byte ASes in ASDOT notation */ 150 int ndo_eflag; /* print ethernet header */ 151 int ndo_fflag; /* don't translate "foreign" IP address */ 152 int ndo_Kflag; /* don't check TCP checksums */ 153 int ndo_nflag; /* leave addresses as numbers */ 154 int ndo_Nflag; /* remove domains from printed host names */ 155 int ndo_qflag; /* quick (shorter) output */ 156 int ndo_Sflag; /* print raw TCP sequence numbers */ 157 int ndo_tflag; /* print packet arrival time */ 158 int ndo_uflag; /* Print undecoded NFS handles */ 159 int ndo_vflag; /* verbosity level */ 160 int ndo_xflag; /* print packet in hex */ 161 int ndo_Xflag; /* print packet in hex/ascii */ 162 int ndo_Aflag; /* print packet only in ascii observing TAB, 163 * LF, CR and SPACE as graphical chars 164 */ 165 int ndo_Hflag; /* dissect 802.11s draft mesh standard */ 166 int ndo_packet_number; /* print a packet number in the beginning of line */ 167 int ndo_suppress_default_print; /* don't use default_print() for unknown packet types */ 168 int ndo_tstamp_precision; /* requested time stamp precision */ 169 const char *program_name; /* Name of the program using the library */ 170 171 char *ndo_espsecret; 172 struct sa_list *ndo_sa_list_head; /* used by print-esp.c */ 173 struct sa_list *ndo_sa_default; 174 175 char *ndo_sigsecret; /* Signature verification secret key */ 176 177 int ndo_packettype; /* as specified by -T */ 178 179 int ndo_snaplen; 180 181 /*global pointers to beginning and end of current packet (during printing) */ 182 const u_char *ndo_packetp; 183 const u_char *ndo_snapend; 184 185 /* pointer to the if_printer function */ 186 if_printer ndo_if_printer; 187 188 /* pointer to void function to output stuff */ 189 void (*ndo_default_print)(netdissect_options *, 190 register const u_char *bp, register u_int length); 191 192 /* pointer to function to do regular output */ 193 int (*ndo_printf)(netdissect_options *, 194 const char *fmt, ...) 195 #ifdef __ATTRIBUTE___FORMAT_OK_FOR_FUNCTION_POINTERS 196 __attribute__ ((format (printf, 2, 3))) 197 #endif 198 ; 199 /* pointer to function to output errors */ 200 void (*ndo_error)(netdissect_options *, 201 const char *fmt, ...) 202 #ifdef __ATTRIBUTE___NORETURN_OK_FOR_FUNCTION_POINTERS 203 __attribute__ ((noreturn)) 204 #endif /* __ATTRIBUTE___NORETURN_OK_FOR_FUNCTION_POINTERS */ 205 #ifdef __ATTRIBUTE___FORMAT_OK_FOR_FUNCTION_POINTERS 206 __attribute__ ((format (printf, 2, 3))) 207 #endif /* __ATTRIBUTE___FORMAT_OK_FOR_FUNCTION_POINTERS */ 208 ; 209 /* pointer to function to output warnings */ 210 void (*ndo_warning)(netdissect_options *, 211 const char *fmt, ...) 212 #ifdef __ATTRIBUTE___FORMAT_OK_FOR_FUNCTION_POINTERS 213 __attribute__ ((format (printf, 2, 3))) 214 #endif 215 ; 216 }; 217 218 #define PT_VAT 1 /* Visual Audio Tool */ 219 #define PT_WB 2 /* distributed White Board */ 220 #define PT_RPC 3 /* Remote Procedure Call */ 221 #define PT_RTP 4 /* Real-Time Applications protocol */ 222 #define PT_RTCP 5 /* Real-Time Applications control protocol */ 223 #define PT_SNMP 6 /* Simple Network Management Protocol */ 224 #define PT_CNFP 7 /* Cisco NetFlow protocol */ 225 #define PT_TFTP 8 /* trivial file transfer protocol */ 226 #define PT_AODV 9 /* Ad-hoc On-demand Distance Vector Protocol */ 227 #define PT_CARP 10 /* Common Address Redundancy Protocol */ 228 #define PT_RADIUS 11 /* RADIUS authentication Protocol */ 229 #define PT_ZMTP1 12 /* ZeroMQ Message Transport Protocol 1.0 */ 230 #define PT_VXLAN 13 /* Virtual eXtensible Local Area Network */ 231 #define PT_PGM 14 /* [UDP-encapsulated] Pragmatic General Multicast */ 232 #define PT_PGM_ZMTP1 15 /* ZMTP/1.0 inside PGM (native or UDP-encapsulated) */ 233 #define PT_LMP 16 /* Link Management Protocol */ 234 #define PT_RESP 17 /* RESP */ 235 236 #ifndef min 237 #define min(a,b) ((a)>(b)?(b):(a)) 238 #endif 239 #ifndef max 240 #define max(a,b) ((b)>(a)?(b):(a)) 241 #endif 242 243 /* For source or destination ports tests (UDP, TCP, ...) */ 244 #define IS_SRC_OR_DST_PORT(p) (sport == (p) || dport == (p)) 245 246 /* 247 * Maximum snapshot length. This should be enough to capture the full 248 * packet on most network interfaces. 249 * 250 * 251 * Somewhat arbitrary, but chosen to be: 252 * 253 * 1) big enough for maximum-size Linux loopback packets (65549) 254 * and some USB packets captured with USBPcap: 255 * 256 * http://desowin.org/usbpcap/ 257 * 258 * (> 131072, < 262144) 259 * 260 * and 261 * 262 * 2) small enough not to cause attempts to allocate huge amounts of 263 * memory; some applications might use the snapshot length in a 264 * savefile header to control the size of the buffer they allocate, 265 * so a size of, say, 2^31-1 might not work well. 266 * 267 * XXX - does it need to be bigger still? 268 */ 269 #define MAXIMUM_SNAPLEN 262144 270 271 /* 272 * The default snapshot length is the maximum. 273 */ 274 #define DEFAULT_SNAPLEN MAXIMUM_SNAPLEN 275 276 #define ESRC(ep) ((ep)->ether_shost) 277 #define EDST(ep) ((ep)->ether_dhost) 278 279 #ifndef NTOHL 280 #define NTOHL(x) (x) = ntohl(x) 281 #define NTOHS(x) (x) = ntohs(x) 282 #define HTONL(x) (x) = htonl(x) 283 #define HTONS(x) (x) = htons(x) 284 #endif 285 286 /* 287 * True if "l" bytes of "var" were captured. 288 * 289 * The "ndo->ndo_snapend - (l) <= ndo->ndo_snapend" checks to make sure 290 * "l" isn't so large that "ndo->ndo_snapend - (l)" underflows. 291 * 292 * The check is for <= rather than < because "l" might be 0. 293 * 294 * We cast the pointers to uintptr_t to make sure that the compiler 295 * doesn't optimize away any of these tests (which it is allowed to 296 * do, as adding an integer to, or subtracting an integer from, a 297 * pointer assumes that the pointer is a pointer to an element of an 298 * array and that the result of the addition or subtraction yields a 299 * pointer to another member of the array, so that, for example, if 300 * you subtract a positive integer from a pointer, the result is 301 * guaranteed to be less than the original pointer value). See 302 * 303 * http://www.kb.cert.org/vuls/id/162289 304 */ 305 306 /* 307 * Test in two parts to avoid these warnings: 308 * comparison of unsigned expression >= 0 is always true [-Wtype-limits], 309 * comparison is always true due to limited range of data type [-Wtype-limits]. 310 */ 311 #define IS_NOT_NEGATIVE(x) (((x) > 0) || ((x) == 0)) 312 313 #define ND_TTEST2(var, l) \ 314 (IS_NOT_NEGATIVE(l) && \ 315 ((uintptr_t)ndo->ndo_snapend - (l) <= (uintptr_t)ndo->ndo_snapend && \ 316 (uintptr_t)&(var) <= (uintptr_t)ndo->ndo_snapend - (l))) 317 318 /* True if "var" was captured */ 319 #define ND_TTEST(var) ND_TTEST2(var, sizeof(var)) 320 321 /* Bail if "l" bytes of "var" were not captured */ 322 #define ND_TCHECK2(var, l) if (!ND_TTEST2(var, l)) goto trunc 323 324 /* Bail if "var" was not captured */ 325 #define ND_TCHECK(var) ND_TCHECK2(var, sizeof(var)) 326 327 #define ND_PRINT(STUFF) (*ndo->ndo_printf)STUFF 328 #define ND_DEFAULTPRINT(ap, length) (*ndo->ndo_default_print)(ndo, ap, length) 329 330 extern void ts_print(netdissect_options *, const struct timeval *); 331 extern void signed_relts_print(netdissect_options *, int32_t); 332 extern void unsigned_relts_print(netdissect_options *, uint32_t); 333 334 extern void fn_print_char(netdissect_options *, u_char); 335 extern int fn_print(netdissect_options *, const u_char *, const u_char *); 336 extern u_int fn_printztn(netdissect_options *ndo, const u_char *, u_int, const u_char *); 337 extern int fn_printn(netdissect_options *, const u_char *, u_int, const u_char *); 338 extern int fn_printzp(netdissect_options *, const u_char *, u_int, const u_char *); 339 340 /* 341 * Flags for txtproto_print(). 342 */ 343 #define RESP_CODE_SECOND_TOKEN 0x00000001 /* response code is second token in response line */ 344 345 extern void txtproto_print(netdissect_options *, const u_char *, u_int, 346 const char *, const char **, u_int); 347 348 /* 349 * Locale-independent macros for testing character properties and 350 * stripping the 8th bit from characters. Assumed to be handed 351 * a value between 0 and 255, i.e. don't hand them a char, as 352 * those might be in the range -128 to 127. 353 */ 354 #define ND_ISASCII(c) (!((c) & 0x80)) /* value is an ASCII code point */ 355 #define ND_ISPRINT(c) ((c) >= 0x20 && (c) <= 0x7E) 356 #define ND_ISGRAPH(c) ((c) > 0x20 && (c) <= 0x7E) 357 #define ND_TOASCII(c) ((c) & 0x7F) 358 359 extern void safeputchar(netdissect_options *, const u_char); 360 extern void safeputs(netdissect_options *, const u_char *, const u_int); 361 362 #ifdef LBL_ALIGN 363 /* 364 * The processor doesn't natively handle unaligned loads, 365 * and the compiler might "helpfully" optimize memcpy() 366 * and memcmp(), when handed pointers that would normally 367 * be properly aligned, into sequences that assume proper 368 * alignment. 369 * 370 * Do copies and compares of possibly-unaligned data by 371 * calling routines that wrap memcpy() and memcmp(), to 372 * prevent that optimization. 373 */ 374 extern void unaligned_memcpy(void *, const void *, size_t); 375 extern int unaligned_memcmp(const void *, const void *, size_t); 376 #define UNALIGNED_MEMCPY(p, q, l) unaligned_memcpy((p), (q), (l)) 377 #define UNALIGNED_MEMCMP(p, q, l) unaligned_memcmp((p), (q), (l)) 378 #else 379 /* 380 * The procesor natively handles unaligned loads, so just use memcpy() 381 * and memcmp(), to enable those optimizations. 382 */ 383 #define UNALIGNED_MEMCPY(p, q, l) memcpy((p), (q), (l)) 384 #define UNALIGNED_MEMCMP(p, q, l) memcmp((p), (q), (l)) 385 #endif 386 387 #define PLURAL_SUFFIX(n) \ 388 (((n) != 1) ? "s" : "") 389 390 extern const char *tok2strary_internal(const char **, int, const char *, int); 391 #define tok2strary(a,f,i) tok2strary_internal(a, sizeof(a)/sizeof(a[0]),f,i) 392 393 extern if_printer lookup_printer(int); 394 395 /* The DLT printer routines */ 396 397 extern u_int ap1394_if_print IF_PRINTER_ARGS; 398 extern u_int arcnet_if_print IF_PRINTER_ARGS; 399 extern u_int arcnet_linux_if_print IF_PRINTER_ARGS; 400 extern u_int atm_if_print IF_PRINTER_ARGS; 401 extern u_int bt_if_print IF_PRINTER_ARGS; 402 extern u_int chdlc_if_print IF_PRINTER_ARGS; 403 extern u_int cip_if_print IF_PRINTER_ARGS; 404 extern u_int enc_if_print IF_PRINTER_ARGS; 405 extern u_int ether_if_print IF_PRINTER_ARGS; 406 extern u_int fddi_if_print IF_PRINTER_ARGS; 407 extern u_int fr_if_print IF_PRINTER_ARGS; 408 extern u_int ieee802_11_if_print IF_PRINTER_ARGS; 409 extern u_int ieee802_11_radio_avs_if_print IF_PRINTER_ARGS; 410 extern u_int ieee802_11_radio_if_print IF_PRINTER_ARGS; 411 extern u_int ieee802_15_4_if_print IF_PRINTER_ARGS; 412 extern u_int ipfc_if_print IF_PRINTER_ARGS; 413 extern u_int ipnet_if_print IF_PRINTER_ARGS; 414 extern u_int juniper_atm1_print IF_PRINTER_ARGS; 415 extern u_int juniper_atm2_print IF_PRINTER_ARGS; 416 extern u_int juniper_chdlc_print IF_PRINTER_ARGS; 417 extern u_int juniper_es_print IF_PRINTER_ARGS; 418 extern u_int juniper_ether_print IF_PRINTER_ARGS; 419 extern u_int juniper_frelay_print IF_PRINTER_ARGS; 420 extern u_int juniper_ggsn_print IF_PRINTER_ARGS; 421 extern u_int juniper_mfr_print IF_PRINTER_ARGS; 422 extern u_int juniper_mlfr_print IF_PRINTER_ARGS; 423 extern u_int juniper_mlppp_print IF_PRINTER_ARGS; 424 extern u_int juniper_monitor_print IF_PRINTER_ARGS; 425 extern u_int juniper_ppp_print IF_PRINTER_ARGS; 426 extern u_int juniper_pppoe_atm_print IF_PRINTER_ARGS; 427 extern u_int juniper_pppoe_print IF_PRINTER_ARGS; 428 extern u_int juniper_services_print IF_PRINTER_ARGS; 429 extern u_int lane_if_print IF_PRINTER_ARGS; 430 extern u_int ltalk_if_print IF_PRINTER_ARGS; 431 extern u_int mfr_if_print IF_PRINTER_ARGS; 432 extern u_int netanalyzer_if_print IF_PRINTER_ARGS; 433 extern u_int netanalyzer_transparent_if_print IF_PRINTER_ARGS; 434 extern u_int nflog_if_print IF_PRINTER_ARGS; 435 extern u_int null_if_print IF_PRINTER_ARGS; 436 extern u_int pflog_if_print IF_PRINTER_ARGS; 437 extern u_int pktap_if_print IF_PRINTER_ARGS; 438 extern u_int ppi_if_print IF_PRINTER_ARGS; 439 extern u_int ppp_bsdos_if_print IF_PRINTER_ARGS; 440 extern u_int ppp_hdlc_if_print IF_PRINTER_ARGS; 441 extern u_int ppp_if_print IF_PRINTER_ARGS; 442 extern u_int pppoe_if_print IF_PRINTER_ARGS; 443 extern u_int prism_if_print IF_PRINTER_ARGS; 444 extern u_int raw_if_print IF_PRINTER_ARGS; 445 extern u_int sl_bsdos_if_print IF_PRINTER_ARGS; 446 extern u_int sl_if_print IF_PRINTER_ARGS; 447 extern u_int sll_if_print IF_PRINTER_ARGS; 448 extern u_int sunatm_if_print IF_PRINTER_ARGS; 449 extern u_int symantec_if_print IF_PRINTER_ARGS; 450 extern u_int token_if_print IF_PRINTER_ARGS; 451 extern u_int usb_linux_48_byte_print IF_PRINTER_ARGS; 452 extern u_int usb_linux_64_byte_print IF_PRINTER_ARGS; 453 454 /* 455 * Structure passed to some printers to allow them to print 456 * link-layer address information if ndo_eflag isn't set 457 * (because they are for protocols that don't have their 458 * own addresses, so that we'd want to report link-layer 459 * address information). 460 * 461 * This contains a pointer to an address and a pointer to a routine 462 * to which we pass that pointer in order to get a string. 463 */ 464 struct lladdr_info { 465 const char *(*addr_string)(netdissect_options *, const u_char *); 466 const u_char *addr; 467 }; 468 469 /* The printer routines. */ 470 471 extern void aarp_print(netdissect_options *, const u_char *, u_int); 472 extern int ah_print(netdissect_options *, register const u_char *); 473 extern void ahcp_print(netdissect_options *, const u_char *, const u_int); 474 extern void aodv_print(netdissect_options *, const u_char *, u_int, int); 475 extern void aoe_print(netdissect_options *, const u_char *, const u_int); 476 extern void arp_print(netdissect_options *, const u_char *, u_int, u_int); 477 extern void ascii_print(netdissect_options *, const u_char *, u_int); 478 extern void atalk_print(netdissect_options *, const u_char *, u_int); 479 extern void atm_print(netdissect_options *, u_int, u_int, u_int, const u_char *, u_int, u_int); 480 extern void babel_print(netdissect_options *, const u_char *, u_int); 481 extern void beep_print(netdissect_options *, const u_char *, u_int); 482 extern void bfd_print(netdissect_options *, const u_char *, u_int, u_int); 483 extern void bgp_print(netdissect_options *, const u_char *, int); 484 extern char *bgp_vpn_rd_print (netdissect_options *, const u_char *); 485 extern void bootp_print(netdissect_options *, const u_char *, u_int); 486 extern void calm_fast_print(netdissect_options *, const u_char *, u_int, const struct lladdr_info *); 487 extern void carp_print(netdissect_options *, const u_char *, u_int, int); 488 extern void cdp_print(netdissect_options *, const u_char *, u_int, u_int); 489 extern void cfm_print(netdissect_options *, const u_char *, u_int); 490 extern u_int chdlc_print(netdissect_options *, register const u_char *, u_int); 491 extern void cisco_autorp_print(netdissect_options *, const u_char *, u_int); 492 extern void cnfp_print(netdissect_options *, const u_char *); 493 extern void dccp_print(netdissect_options *, const u_char *, const u_char *, u_int); 494 extern void decnet_print(netdissect_options *, const u_char *, u_int, u_int); 495 extern void dhcp6_print(netdissect_options *, const u_char *, u_int); 496 extern int dstopt_print(netdissect_options *, const u_char *); 497 extern void dtp_print(netdissect_options *, const u_char *, u_int); 498 extern void dvmrp_print(netdissect_options *, const u_char *, u_int); 499 extern void eap_print(netdissect_options *, const u_char *, u_int); 500 extern void egp_print(netdissect_options *, const u_char *, u_int); 501 extern void eigrp_print(netdissect_options *, const u_char *, u_int); 502 extern int esp_print(netdissect_options *, const u_char *, const int, const u_char *, int *, int *); 503 extern u_int ether_print(netdissect_options *, const u_char *, u_int, u_int, void (*)(netdissect_options *, const u_char *), const u_char *); 504 extern int ethertype_print(netdissect_options *, u_short, const u_char *, u_int, u_int, const struct lladdr_info *, const struct lladdr_info *); 505 extern u_int fddi_print(netdissect_options *, const u_char *, u_int, u_int); 506 extern void forces_print(netdissect_options *, const u_char *, u_int); 507 extern u_int fr_print(netdissect_options *, register const u_char *, u_int); 508 extern int frag6_print(netdissect_options *, const u_char *, const u_char *); 509 extern void ftp_print(netdissect_options *, const u_char *, u_int); 510 extern void geneve_print(netdissect_options *, const u_char *, u_int); 511 extern void geonet_print(netdissect_options *, const u_char *, u_int, const struct lladdr_info *); 512 extern void gre_print(netdissect_options *, const u_char *, u_int); 513 extern int hbhopt_print(netdissect_options *, const u_char *); 514 extern void hex_and_ascii_print(netdissect_options *, const char *, const u_char *, u_int); 515 extern void hex_and_ascii_print_with_offset(netdissect_options *, const char *, const u_char *, u_int, u_int); 516 extern void hex_print(netdissect_options *, const char *ident, const u_char *cp, u_int); 517 extern void hex_print_with_offset(netdissect_options *, const char *ident, const u_char *cp, u_int, u_int); 518 extern void hncp_print(netdissect_options *, const u_char *, u_int); 519 extern void hsrp_print(netdissect_options *, const u_char *, u_int); 520 extern void http_print(netdissect_options *, const u_char *, u_int); 521 extern void icmp6_print(netdissect_options *, const u_char *, u_int, const u_char *, int); 522 extern void icmp_print(netdissect_options *, const u_char *, u_int, const u_char *, int); 523 extern void igmp_print(netdissect_options *, const u_char *, u_int); 524 extern void igrp_print(netdissect_options *, const u_char *, u_int); 525 extern void ip6_print(netdissect_options *, const u_char *, u_int); 526 extern void ipN_print(netdissect_options *, const u_char *, u_int); 527 extern void ip_print(netdissect_options *, const u_char *, u_int); 528 extern void ip_print_inner(netdissect_options *, const u_char *, u_int, u_int nh, const u_char *); 529 extern void ipcomp_print(netdissect_options *, register const u_char *); 530 extern void ipx_netbios_print(netdissect_options *, const u_char *, u_int); 531 extern void ipx_print(netdissect_options *, const u_char *, u_int); 532 extern void isakmp_print(netdissect_options *, const u_char *, u_int, const u_char *); 533 extern void isakmp_rfc3948_print(netdissect_options *, const u_char *, u_int, const u_char *); 534 extern void isoclns_print(netdissect_options *, const u_char *, u_int, u_int); 535 extern void krb_print(netdissect_options *, const u_char *); 536 extern void l2tp_print(netdissect_options *, const u_char *, u_int); 537 extern void lane_print(netdissect_options *, const u_char *, u_int, u_int); 538 extern void ldp_print(netdissect_options *, const u_char *, u_int); 539 extern void lisp_print(netdissect_options *, const u_char *, u_int); 540 extern u_int llap_print(netdissect_options *, const u_char *, u_int); 541 extern int llc_print(netdissect_options *, const u_char *, u_int, u_int, const struct lladdr_info *, const struct lladdr_info *); 542 extern void lldp_print(netdissect_options *, const u_char *, u_int); 543 extern void lmp_print(netdissect_options *, const u_char *, u_int); 544 extern void loopback_print(netdissect_options *, const u_char *, const u_int); 545 extern void lspping_print(netdissect_options *, const u_char *, u_int); 546 extern void lwapp_control_print(netdissect_options *, const u_char *, u_int, int); 547 extern void lwapp_data_print(netdissect_options *, const u_char *, u_int); 548 extern void lwres_print(netdissect_options *, const u_char *, u_int); 549 extern void m3ua_print(netdissect_options *, const u_char *, const u_int); 550 extern void medsa_print(netdissect_options *, const u_char *, u_int, u_int, const struct lladdr_info *, const struct lladdr_info *); 551 extern u_int mfr_print(netdissect_options *, register const u_char *, u_int); 552 extern void mobile_print(netdissect_options *, const u_char *, u_int); 553 extern int mobility_print(netdissect_options *, const u_char *, const u_char *); 554 extern void mpcp_print(netdissect_options *, const u_char *, u_int); 555 extern void mpls_print(netdissect_options *, const u_char *, u_int); 556 extern int mptcp_print(netdissect_options *, const u_char *, u_int, u_char); 557 extern void msdp_print(netdissect_options *, const u_char *, u_int); 558 extern void msnlb_print(netdissect_options *, const u_char *); 559 extern void nbt_tcp_print(netdissect_options *, const u_char *, int); 560 extern void nbt_udp137_print(netdissect_options *, const u_char *, int); 561 extern void nbt_udp138_print(netdissect_options *, const u_char *, int); 562 extern void netbeui_print(netdissect_options *, u_short, const u_char *, int); 563 extern void nfsreply_print(netdissect_options *, const u_char *, u_int, const u_char *); 564 extern void nfsreply_print_noaddr(netdissect_options *, const u_char *, u_int, const u_char *); 565 extern void nfsreq_print_noaddr(netdissect_options *, const u_char *, u_int, const u_char *); 566 extern const u_char * ns_nprint (netdissect_options *, register const u_char *, register const u_char *); 567 extern void ns_print(netdissect_options *, const u_char *, u_int, int); 568 extern void nsh_print(netdissect_options *ndo, const u_char *bp, u_int len); 569 extern void ntp_print(netdissect_options *, const u_char *, u_int); 570 extern void oam_print(netdissect_options *, const u_char *, u_int, u_int); 571 extern void olsr_print(netdissect_options *, const u_char *, u_int, int); 572 extern void openflow_print(netdissect_options *, const u_char *, const u_int); 573 extern void ospf6_print(netdissect_options *, const u_char *, u_int); 574 extern void ospf_print(netdissect_options *, const u_char *, u_int, const u_char *); 575 extern int ospf_print_grace_lsa(netdissect_options *, const uint8_t *, u_int); 576 extern int ospf_print_te_lsa(netdissect_options *, const uint8_t *, u_int); 577 extern void otv_print(netdissect_options *, const u_char *, u_int); 578 extern void pgm_print(netdissect_options *, const u_char *, u_int, const u_char *); 579 extern void pim_print(netdissect_options *, const u_char *, u_int, const u_char *); 580 extern void pimv1_print(netdissect_options *, const u_char *, u_int); 581 extern u_int ppp_print(netdissect_options *, register const u_char *, u_int); 582 extern u_int pppoe_print(netdissect_options *, const u_char *, u_int); 583 extern void pptp_print(netdissect_options *, const u_char *); 584 extern int print_unknown_data(netdissect_options *, const u_char *, const char *, int); 585 extern char *q922_string(netdissect_options *, const u_char *, u_int); 586 extern void q933_print(netdissect_options *, const u_char *, u_int); 587 extern void radius_print(netdissect_options *, const u_char *, u_int); 588 extern void resp_print(netdissect_options *, const u_char *, u_int); 589 extern void rip_print(netdissect_options *, const u_char *, u_int); 590 extern void ripng_print(netdissect_options *, const u_char *, unsigned int); 591 extern void rpki_rtr_print(netdissect_options *, const u_char *, u_int); 592 extern void rrcp_print(netdissect_options *, const u_char *, u_int, const struct lladdr_info *, const struct lladdr_info *); 593 extern void rsvp_print(netdissect_options *, const u_char *, u_int); 594 extern int rt6_print(netdissect_options *, const u_char *, const u_char *); 595 extern void rtsp_print(netdissect_options *, const u_char *, u_int); 596 extern void rx_print(netdissect_options *, register const u_char *, int, int, int, const u_char *); 597 extern void sctp_print(netdissect_options *, const u_char *, const u_char *, u_int); 598 extern void sflow_print(netdissect_options *, const u_char *, u_int); 599 extern void sip_print(netdissect_options *, const u_char *, u_int); 600 extern void slow_print(netdissect_options *, const u_char *, u_int); 601 extern void smb_print_data(netdissect_options *, const unsigned char *, int); 602 extern void smb_tcp_print(netdissect_options *, const u_char *, int); 603 extern void smtp_print(netdissect_options *, const u_char *, u_int); 604 extern int snap_print(netdissect_options *, const u_char *, u_int, u_int, const struct lladdr_info *, const struct lladdr_info *, u_int); 605 extern void snmp_print(netdissect_options *, const u_char *, u_int); 606 extern void stp_print(netdissect_options *, const u_char *, u_int); 607 extern void sunrpcrequest_print(netdissect_options *, const u_char *, u_int, const u_char *); 608 extern void syslog_print(netdissect_options *, const u_char *, u_int); 609 extern void tcp_print(netdissect_options *, const u_char *, u_int, const u_char *, int); 610 extern void telnet_print(netdissect_options *, const u_char *, u_int); 611 extern void tftp_print(netdissect_options *, const u_char *, u_int); 612 extern void timed_print(netdissect_options *, const u_char *); 613 extern void tipc_print(netdissect_options *, const u_char *, u_int, u_int); 614 extern u_int token_print(netdissect_options *, const u_char *, u_int, u_int); 615 extern void udld_print(netdissect_options *, const u_char *, u_int); 616 extern void udp_print(netdissect_options *, const u_char *, u_int, const u_char *, int); 617 extern int vjc_print(netdissect_options *, register const char *, u_short); 618 extern void vqp_print(netdissect_options *, register const u_char *, register u_int); 619 extern void vrrp_print(netdissect_options *, const u_char *, u_int, const u_char *, int); 620 extern void vtp_print(netdissect_options *, const u_char *, u_int); 621 extern void vxlan_gpe_print(netdissect_options *ndo, const u_char *bp, u_int len); 622 extern void vxlan_print(netdissect_options *, const u_char *, u_int); 623 extern void wb_print(netdissect_options *, const void *, u_int); 624 extern void zephyr_print(netdissect_options *, const u_char *, int); 625 extern void zmtp1_print(netdissect_options *, const u_char *, u_int); 626 extern void zmtp1_print_datagram(netdissect_options *, const u_char *, const u_int); 627 628 /* checksum routines */ 629 extern void init_checksum(void); 630 extern uint16_t verify_crc10_cksum(uint16_t, const u_char *, int); 631 extern uint16_t create_osi_cksum(const uint8_t *, int, int); 632 633 struct cksum_vec { 634 const uint8_t *ptr; 635 int len; 636 }; 637 extern uint16_t in_cksum(const struct cksum_vec *, int); 638 extern uint16_t in_cksum_shouldbe(uint16_t, uint16_t); 639 640 extern int nextproto4_cksum(netdissect_options *, const struct ip *, const uint8_t *, u_int, u_int, u_int); 641 642 /* in print-ip6.c */ 643 extern int nextproto6_cksum(netdissect_options *, const struct ip6_hdr *, const uint8_t *, u_int, u_int, u_int); 644 645 /* Utilities */ 646 extern int mask2plen(uint32_t); 647 extern int mask62plen(const u_char *); 648 649 extern const char *dnname_string(netdissect_options *, u_short); 650 extern const char *dnnum_string(netdissect_options *, u_short); 651 652 extern char *smb_errstr(int, int); 653 extern const char *nt_errstr(uint32_t); 654 655 extern int decode_prefix4(netdissect_options *, const u_char *, u_int, char *, u_int); 656 extern int decode_prefix6(netdissect_options *, const u_char *, u_int, char *, u_int); 657 658 extern void esp_print_decodesecret(netdissect_options *); 659 extern int esp_print_decrypt_buffer_by_ikev2(netdissect_options *, int, 660 u_char spii[8], u_char spir[8], 661 const u_char *, const u_char *); 662 663 #endif /* netdissect_h */ 664
