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 /* 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, FORMAT_STRING(const char *format), ...) 86 PRINTFLIKE(3, 4); 87 #endif /* !defined(HAVE_SNPRINTF) */ 88 89 #if !defined(HAVE_VSNPRINTF) 90 int vsnprintf (char *str, size_t sz, FORMAT_STRING(const char *format), 91 va_list ap) PRINTFLIKE(3, 0); 92 #endif /* !defined(HAVE_VSNPRINTF) */ 93 94 #ifndef HAVE_STRLCAT 95 extern size_t strlcat (char *, const char *, size_t); 96 #endif 97 #ifndef HAVE_STRLCPY 98 extern size_t strlcpy (char *, const char *, size_t); 99 #endif 100 101 #ifndef HAVE_STRDUP 102 extern char *strdup (const char *str); 103 #endif 104 105 #ifndef HAVE_STRSEP 106 extern char *strsep(char **, const char *); 107 #endif 108 109 struct tok { 110 u_int v; /* value */ 111 const char *s; /* string */ 112 }; 113 114 extern const char *tok2strbuf(const struct tok *, const char *, u_int, 115 char *buf, size_t bufsize); 116 117 /* tok2str is deprecated */ 118 extern const char *tok2str(const struct tok *, const char *, u_int); 119 extern char *bittok2str(const struct tok *, const char *, u_int); 120 extern char *bittok2str_nosep(const struct tok *, const char *, u_int); 121 122 /* Initialize netdissect. */ 123 extern int nd_init(char *, size_t); 124 /* Clean up netdissect. */ 125 extern void nd_cleanup(void); 126 127 /* Do we have libsmi support? */ 128 extern int nd_have_smi_support(void); 129 /* Load an SMI module. */ 130 extern int nd_load_smi_module(const char *, char *, size_t); 131 /* Flag indicating whether an SMI module has been loaded. */ 132 extern int nd_smi_module_loaded; 133 /* Version number of the SMI library, or NULL if we don't have libsmi support. */ 134 extern const char *nd_smi_version_string(void); 135 136 typedef struct netdissect_options netdissect_options; 137 138 #define IF_PRINTER_ARGS (netdissect_options *, const struct pcap_pkthdr *, const u_char *) 139 140 typedef u_int (*if_printer) IF_PRINTER_ARGS; 141 142 struct netdissect_options { 143 int ndo_bflag; /* print 4 byte ASes in ASDOT notation */ 144 int ndo_eflag; /* print ethernet header */ 145 int ndo_fflag; /* don't translate "foreign" IP address */ 146 int ndo_Kflag; /* don't check TCP checksums */ 147 int ndo_nflag; /* leave addresses as numbers */ 148 int ndo_Nflag; /* remove domains from printed host names */ 149 int ndo_qflag; /* quick (shorter) output */ 150 int ndo_Sflag; /* print raw TCP sequence numbers */ 151 int ndo_tflag; /* print packet arrival time */ 152 int ndo_uflag; /* Print undecoded NFS handles */ 153 int ndo_vflag; /* verbosity level */ 154 int ndo_xflag; /* print packet in hex */ 155 int ndo_Xflag; /* print packet in hex/ascii */ 156 int ndo_Aflag; /* print packet only in ascii observing TAB, 157 * LF, CR and SPACE as graphical chars 158 */ 159 int ndo_Hflag; /* dissect 802.11s draft mesh standard */ 160 int ndo_packet_number; /* print a packet number in the beginning of line */ 161 int ndo_suppress_default_print; /* don't use default_print() for unknown packet types */ 162 int ndo_tstamp_precision; /* requested time stamp precision */ 163 const char *program_name; /* Name of the program using the library */ 164 165 char *ndo_espsecret; 166 struct sa_list *ndo_sa_list_head; /* used by print-esp.c */ 167 struct sa_list *ndo_sa_default; 168 169 char *ndo_sigsecret; /* Signature verification secret key */ 170 171 int ndo_packettype; /* as specified by -T */ 172 173 int ndo_snaplen; 174 175 /*global pointers to beginning and end of current packet (during printing) */ 176 const u_char *ndo_packetp; 177 const u_char *ndo_snapend; 178 179 /* pointer to the if_printer function */ 180 if_printer ndo_if_printer; 181 182 /* pointer to void function to output stuff */ 183 void (*ndo_default_print)(netdissect_options *, 184 register const u_char *bp, register u_int length); 185 186 /* pointer to function to do regular output */ 187 int (*ndo_printf)(netdissect_options *, 188 const char *fmt, ...) 189 #ifdef __ATTRIBUTE___FORMAT_OK_FOR_FUNCTION_POINTERS 190 __attribute__ ((format (printf, 2, 3))) 191 #endif 192 ; 193 /* pointer to function to output errors */ 194 void (*ndo_error)(netdissect_options *, 195 const char *fmt, ...) 196 #ifdef __ATTRIBUTE___NORETURN_OK_FOR_FUNCTION_POINTERS 197 __attribute__ ((noreturn)) 198 #endif /* __ATTRIBUTE___NORETURN_OK_FOR_FUNCTION_POINTERS */ 199 #ifdef __ATTRIBUTE___FORMAT_OK_FOR_FUNCTION_POINTERS 200 __attribute__ ((format (printf, 2, 3))) 201 #endif /* __ATTRIBUTE___FORMAT_OK_FOR_FUNCTION_POINTERS */ 202 ; 203 /* pointer to function to output warnings */ 204 void (*ndo_warning)(netdissect_options *, 205 const char *fmt, ...) 206 #ifdef __ATTRIBUTE___FORMAT_OK_FOR_FUNCTION_POINTERS 207 __attribute__ ((format (printf, 2, 3))) 208 #endif 209 ; 210 }; 211 212 #define PT_VAT 1 /* Visual Audio Tool */ 213 #define PT_WB 2 /* distributed White Board */ 214 #define PT_RPC 3 /* Remote Procedure Call */ 215 #define PT_RTP 4 /* Real-Time Applications protocol */ 216 #define PT_RTCP 5 /* Real-Time Applications control protocol */ 217 #define PT_SNMP 6 /* Simple Network Management Protocol */ 218 #define PT_CNFP 7 /* Cisco NetFlow protocol */ 219 #define PT_TFTP 8 /* trivial file transfer protocol */ 220 #define PT_AODV 9 /* Ad-hoc On-demand Distance Vector Protocol */ 221 #define PT_CARP 10 /* Common Address Redundancy Protocol */ 222 #define PT_RADIUS 11 /* RADIUS authentication Protocol */ 223 #define PT_ZMTP1 12 /* ZeroMQ Message Transport Protocol 1.0 */ 224 #define PT_VXLAN 13 /* Virtual eXtensible Local Area Network */ 225 #define PT_PGM 14 /* [UDP-encapsulated] Pragmatic General Multicast */ 226 #define PT_PGM_ZMTP1 15 /* ZMTP/1.0 inside PGM (native or UDP-encapsulated) */ 227 #define PT_LMP 16 /* Link Management Protocol */ 228 #define PT_RESP 17 /* RESP */ 229 230 #ifndef min 231 #define min(a,b) ((a)>(b)?(b):(a)) 232 #endif 233 #ifndef max 234 #define max(a,b) ((b)>(a)?(b):(a)) 235 #endif 236 237 /* For source or destination ports tests (UDP, TCP, ...) */ 238 #define IS_SRC_OR_DST_PORT(p) (sport == (p) || dport == (p)) 239 240 /* 241 * Maximum snapshot length. This should be enough to capture the full 242 * packet on most network interfaces. 243 * 244 * 245 * Somewhat arbitrary, but chosen to be: 246 * 247 * 1) big enough for maximum-size Linux loopback packets (65549) 248 * and some USB packets captured with USBPcap: 249 * 250 * http://desowin.org/usbpcap/ 251 * 252 * (> 131072, < 262144) 253 * 254 * and 255 * 256 * 2) small enough not to cause attempts to allocate huge amounts of 257 * memory; some applications might use the snapshot length in a 258 * savefile header to control the size of the buffer they allocate, 259 * so a size of, say, 2^31-1 might not work well. 260 * 261 * XXX - does it need to be bigger still? 262 */ 263 #define MAXIMUM_SNAPLEN 262144 264 265 /* 266 * The default snapshot length is the maximum. 267 */ 268 #define DEFAULT_SNAPLEN MAXIMUM_SNAPLEN 269 270 #define ESRC(ep) ((ep)->ether_shost) 271 #define EDST(ep) ((ep)->ether_dhost) 272 273 #ifndef NTOHL 274 #define NTOHL(x) (x) = ntohl(x) 275 #define NTOHS(x) (x) = ntohs(x) 276 #define HTONL(x) (x) = htonl(x) 277 #define HTONS(x) (x) = htons(x) 278 #endif 279 280 /* 281 * True if "l" bytes of "var" were captured. 282 * 283 * The "ndo->ndo_snapend - (l) <= ndo->ndo_snapend" checks to make sure 284 * "l" isn't so large that "ndo->ndo_snapend - (l)" underflows. 285 * 286 * The check is for <= rather than < because "l" might be 0. 287 * 288 * We cast the pointers to uintptr_t to make sure that the compiler 289 * doesn't optimize away any of these tests (which it is allowed to 290 * do, as adding an integer to, or subtracting an integer from, a 291 * pointer assumes that the pointer is a pointer to an element of an 292 * array and that the result of the addition or subtraction yields a 293 * pointer to another member of the array, so that, for example, if 294 * you subtract a positive integer from a pointer, the result is 295 * guaranteed to be less than the original pointer value). See 296 * 297 * http://www.kb.cert.org/vuls/id/162289 298 */ 299 300 /* 301 * Test in two parts to avoid these warnings: 302 * comparison of unsigned expression >= 0 is always true [-Wtype-limits], 303 * comparison is always true due to limited range of data type [-Wtype-limits]. 304 */ 305 #define IS_NOT_NEGATIVE(x) (((x) > 0) || ((x) == 0)) 306 307 #define ND_TTEST2(var, l) \ 308 (IS_NOT_NEGATIVE(l) && \ 309 ((uintptr_t)ndo->ndo_snapend - (l) <= (uintptr_t)ndo->ndo_snapend && \ 310 (uintptr_t)&(var) <= (uintptr_t)ndo->ndo_snapend - (l))) 311 312 /* True if "var" was captured */ 313 #define ND_TTEST(var) ND_TTEST2(var, sizeof(var)) 314 315 /* Bail if "l" bytes of "var" were not captured */ 316 #define ND_TCHECK2(var, l) if (!ND_TTEST2(var, l)) goto trunc 317 318 /* Bail if "var" was not captured */ 319 #define ND_TCHECK(var) ND_TCHECK2(var, sizeof(var)) 320 321 #define ND_PRINT(STUFF) (*ndo->ndo_printf)STUFF 322 #define ND_DEFAULTPRINT(ap, length) (*ndo->ndo_default_print)(ndo, ap, length) 323 324 extern void ts_print(netdissect_options *, const struct timeval *); 325 extern void signed_relts_print(netdissect_options *, int32_t); 326 extern void unsigned_relts_print(netdissect_options *, uint32_t); 327 328 extern void fn_print_char(netdissect_options *, u_char); 329 extern int fn_print(netdissect_options *, const u_char *, const u_char *); 330 extern u_int fn_printztn(netdissect_options *ndo, const u_char *, u_int, const u_char *); 331 extern int fn_printn(netdissect_options *, const u_char *, u_int, const u_char *); 332 extern int fn_printzp(netdissect_options *, const u_char *, u_int, const u_char *); 333 334 /* 335 * Flags for txtproto_print(). 336 */ 337 #define RESP_CODE_SECOND_TOKEN 0x00000001 /* response code is second token in response line */ 338 339 extern void txtproto_print(netdissect_options *, const u_char *, u_int, 340 const char *, const char **, u_int); 341 342 /* 343 * Locale-independent macros for testing character properties and 344 * stripping the 8th bit from characters. Assumed to be handed 345 * a value between 0 and 255, i.e. don't hand them a char, as 346 * those might be in the range -128 to 127. 347 */ 348 #define ND_ISASCII(c) (!((c) & 0x80)) /* value is an ASCII code point */ 349 #define ND_ISPRINT(c) ((c) >= 0x20 && (c) <= 0x7E) 350 #define ND_ISGRAPH(c) ((c) > 0x20 && (c) <= 0x7E) 351 #define ND_TOASCII(c) ((c) & 0x7F) 352 353 extern void safeputchar(netdissect_options *, const u_char); 354 extern void safeputs(netdissect_options *, const u_char *, const u_int); 355 356 #ifdef LBL_ALIGN 357 /* 358 * The processor doesn't natively handle unaligned loads, 359 * and the compiler might "helpfully" optimize memcpy() 360 * and memcmp(), when handed pointers that would normally 361 * be properly aligned, into sequences that assume proper 362 * alignment. 363 * 364 * Do copies and compares of possibly-unaligned data by 365 * calling routines that wrap memcpy() and memcmp(), to 366 * prevent that optimization. 367 */ 368 extern void unaligned_memcpy(void *, const void *, size_t); 369 extern int unaligned_memcmp(const void *, const void *, size_t); 370 #define UNALIGNED_MEMCPY(p, q, l) unaligned_memcpy((p), (q), (l)) 371 #define UNALIGNED_MEMCMP(p, q, l) unaligned_memcmp((p), (q), (l)) 372 #else 373 /* 374 * The procesor natively handles unaligned loads, so just use memcpy() 375 * and memcmp(), to enable those optimizations. 376 */ 377 #define UNALIGNED_MEMCPY(p, q, l) memcpy((p), (q), (l)) 378 #define UNALIGNED_MEMCMP(p, q, l) memcmp((p), (q), (l)) 379 #endif 380 381 #define PLURAL_SUFFIX(n) \ 382 (((n) != 1) ? "s" : "") 383 384 extern const char *tok2strary_internal(const char **, int, const char *, int); 385 #define tok2strary(a,f,i) tok2strary_internal(a, sizeof(a)/sizeof(a[0]),f,i) 386 387 extern if_printer lookup_printer(int); 388 389 /* The DLT printer routines */ 390 391 extern u_int ap1394_if_print IF_PRINTER_ARGS; 392 extern u_int arcnet_if_print IF_PRINTER_ARGS; 393 extern u_int arcnet_linux_if_print IF_PRINTER_ARGS; 394 extern u_int atm_if_print IF_PRINTER_ARGS; 395 extern u_int bt_if_print IF_PRINTER_ARGS; 396 extern u_int chdlc_if_print IF_PRINTER_ARGS; 397 extern u_int cip_if_print IF_PRINTER_ARGS; 398 extern u_int enc_if_print IF_PRINTER_ARGS; 399 extern u_int ether_if_print IF_PRINTER_ARGS; 400 extern u_int fddi_if_print IF_PRINTER_ARGS; 401 extern u_int fr_if_print IF_PRINTER_ARGS; 402 extern u_int ieee802_11_if_print IF_PRINTER_ARGS; 403 extern u_int ieee802_11_radio_avs_if_print IF_PRINTER_ARGS; 404 extern u_int ieee802_11_radio_if_print IF_PRINTER_ARGS; 405 extern u_int ieee802_15_4_if_print IF_PRINTER_ARGS; 406 extern u_int ipfc_if_print IF_PRINTER_ARGS; 407 extern u_int ipnet_if_print IF_PRINTER_ARGS; 408 extern u_int juniper_atm1_print IF_PRINTER_ARGS; 409 extern u_int juniper_atm2_print IF_PRINTER_ARGS; 410 extern u_int juniper_chdlc_print IF_PRINTER_ARGS; 411 extern u_int juniper_es_print IF_PRINTER_ARGS; 412 extern u_int juniper_ether_print IF_PRINTER_ARGS; 413 extern u_int juniper_frelay_print IF_PRINTER_ARGS; 414 extern u_int juniper_ggsn_print IF_PRINTER_ARGS; 415 extern u_int juniper_mfr_print IF_PRINTER_ARGS; 416 extern u_int juniper_mlfr_print IF_PRINTER_ARGS; 417 extern u_int juniper_mlppp_print IF_PRINTER_ARGS; 418 extern u_int juniper_monitor_print IF_PRINTER_ARGS; 419 extern u_int juniper_ppp_print IF_PRINTER_ARGS; 420 extern u_int juniper_pppoe_atm_print IF_PRINTER_ARGS; 421 extern u_int juniper_pppoe_print IF_PRINTER_ARGS; 422 extern u_int juniper_services_print IF_PRINTER_ARGS; 423 extern u_int lane_if_print IF_PRINTER_ARGS; 424 extern u_int ltalk_if_print IF_PRINTER_ARGS; 425 extern u_int mfr_if_print IF_PRINTER_ARGS; 426 extern u_int netanalyzer_if_print IF_PRINTER_ARGS; 427 extern u_int netanalyzer_transparent_if_print IF_PRINTER_ARGS; 428 extern u_int nflog_if_print IF_PRINTER_ARGS; 429 extern u_int null_if_print IF_PRINTER_ARGS; 430 extern u_int pflog_if_print IF_PRINTER_ARGS; 431 extern u_int pktap_if_print IF_PRINTER_ARGS; 432 extern u_int ppi_if_print IF_PRINTER_ARGS; 433 extern u_int ppp_bsdos_if_print IF_PRINTER_ARGS; 434 extern u_int ppp_hdlc_if_print IF_PRINTER_ARGS; 435 extern u_int ppp_if_print IF_PRINTER_ARGS; 436 extern u_int pppoe_if_print IF_PRINTER_ARGS; 437 extern u_int prism_if_print IF_PRINTER_ARGS; 438 extern u_int raw_if_print IF_PRINTER_ARGS; 439 extern u_int sl_bsdos_if_print IF_PRINTER_ARGS; 440 extern u_int sl_if_print IF_PRINTER_ARGS; 441 extern u_int sll_if_print IF_PRINTER_ARGS; 442 extern u_int sunatm_if_print IF_PRINTER_ARGS; 443 extern u_int symantec_if_print IF_PRINTER_ARGS; 444 extern u_int token_if_print IF_PRINTER_ARGS; 445 extern u_int usb_linux_48_byte_print IF_PRINTER_ARGS; 446 extern u_int usb_linux_64_byte_print IF_PRINTER_ARGS; 447 448 /* 449 * Structure passed to some printers to allow them to print 450 * link-layer address information if ndo_eflag isn't set 451 * (because they are for protocols that don't have their 452 * own addresses, so that we'd want to report link-layer 453 * address information). 454 * 455 * This contains a pointer to an address and a pointer to a routine 456 * to which we pass that pointer in order to get a string. 457 */ 458 struct lladdr_info { 459 const char *(*addr_string)(netdissect_options *, const u_char *); 460 const u_char *addr; 461 }; 462 463 /* The printer routines. */ 464 465 extern void aarp_print(netdissect_options *, const u_char *, u_int); 466 extern int ah_print(netdissect_options *, register const u_char *); 467 extern void ahcp_print(netdissect_options *, const u_char *, const u_int); 468 extern void aodv_print(netdissect_options *, const u_char *, u_int, int); 469 extern void aoe_print(netdissect_options *, const u_char *, const u_int); 470 extern void arp_print(netdissect_options *, const u_char *, u_int, u_int); 471 extern void ascii_print(netdissect_options *, const u_char *, u_int); 472 extern void atalk_print(netdissect_options *, const u_char *, u_int); 473 extern void atm_print(netdissect_options *, u_int, u_int, u_int, const u_char *, u_int, u_int); 474 extern void babel_print(netdissect_options *, const u_char *, u_int); 475 extern void beep_print(netdissect_options *, const u_char *, u_int); 476 extern void bfd_print(netdissect_options *, const u_char *, u_int, u_int); 477 extern void bgp_print(netdissect_options *, const u_char *, int); 478 extern char *bgp_vpn_rd_print (netdissect_options *, const u_char *); 479 extern void bootp_print(netdissect_options *, const u_char *, u_int); 480 extern void calm_fast_print(netdissect_options *, const u_char *, u_int, const struct lladdr_info *); 481 extern void carp_print(netdissect_options *, const u_char *, u_int, int); 482 extern void cdp_print(netdissect_options *, const u_char *, u_int, u_int); 483 extern void cfm_print(netdissect_options *, const u_char *, u_int); 484 extern u_int chdlc_print(netdissect_options *, register const u_char *, u_int); 485 extern void cisco_autorp_print(netdissect_options *, const u_char *, u_int); 486 extern void cnfp_print(netdissect_options *, const u_char *); 487 extern void dccp_print(netdissect_options *, const u_char *, const u_char *, u_int); 488 extern void decnet_print(netdissect_options *, const u_char *, u_int, u_int); 489 extern void dhcp6_print(netdissect_options *, const u_char *, u_int); 490 extern int dstopt_print(netdissect_options *, const u_char *); 491 extern void dtp_print(netdissect_options *, const u_char *, u_int); 492 extern void dvmrp_print(netdissect_options *, const u_char *, u_int); 493 extern void eap_print(netdissect_options *, const u_char *, u_int); 494 extern void egp_print(netdissect_options *, const u_char *, u_int); 495 extern void eigrp_print(netdissect_options *, const u_char *, u_int); 496 extern int esp_print(netdissect_options *, const u_char *, const int, const u_char *, int *, int *); 497 extern u_int ether_print(netdissect_options *, const u_char *, u_int, u_int, void (*)(netdissect_options *, const u_char *), const u_char *); 498 extern int ethertype_print(netdissect_options *, u_short, const u_char *, u_int, u_int, const struct lladdr_info *, const struct lladdr_info *); 499 extern u_int fddi_print(netdissect_options *, const u_char *, u_int, u_int); 500 extern void forces_print(netdissect_options *, const u_char *, u_int); 501 extern u_int fr_print(netdissect_options *, register const u_char *, u_int); 502 extern int frag6_print(netdissect_options *, const u_char *, const u_char *); 503 extern void ftp_print(netdissect_options *, const u_char *, u_int); 504 extern void geneve_print(netdissect_options *, const u_char *, u_int); 505 extern void geonet_print(netdissect_options *, const u_char *, u_int, const struct lladdr_info *); 506 extern void gre_print(netdissect_options *, const u_char *, u_int); 507 extern int hbhopt_print(netdissect_options *, const u_char *); 508 extern void hex_and_ascii_print(netdissect_options *, const char *, const u_char *, u_int); 509 extern void hex_and_ascii_print_with_offset(netdissect_options *, const char *, const u_char *, u_int, u_int); 510 extern void hex_print(netdissect_options *, const char *ident, const u_char *cp, u_int); 511 extern void hex_print_with_offset(netdissect_options *, const char *ident, const u_char *cp, u_int, u_int); 512 extern void hncp_print(netdissect_options *, const u_char *, u_int); 513 extern void hsrp_print(netdissect_options *, const u_char *, u_int); 514 extern void http_print(netdissect_options *, const u_char *, u_int); 515 extern void icmp6_print(netdissect_options *, const u_char *, u_int, const u_char *, int); 516 extern void icmp_print(netdissect_options *, const u_char *, u_int, const u_char *, int); 517 extern u_int ieee802_11_radio_print(netdissect_options *, const u_char *, u_int, u_int); 518 extern void igmp_print(netdissect_options *, const u_char *, u_int); 519 extern void igrp_print(netdissect_options *, const u_char *, u_int); 520 extern void ip6_print(netdissect_options *, const u_char *, u_int); 521 extern void ipN_print(netdissect_options *, const u_char *, u_int); 522 extern void ip_print(netdissect_options *, const u_char *, u_int); 523 extern void ip_print_inner(netdissect_options *, const u_char *, u_int, u_int nh, const u_char *); 524 extern void ipcomp_print(netdissect_options *, register const u_char *); 525 extern void ipx_netbios_print(netdissect_options *, const u_char *, u_int); 526 extern void ipx_print(netdissect_options *, const u_char *, u_int); 527 extern void isakmp_print(netdissect_options *, const u_char *, u_int, const u_char *); 528 extern void isakmp_rfc3948_print(netdissect_options *, const u_char *, u_int, const u_char *); 529 extern void isoclns_print(netdissect_options *, const u_char *, u_int); 530 extern void krb_print(netdissect_options *, const u_char *); 531 extern void l2tp_print(netdissect_options *, const u_char *, u_int); 532 extern void lane_print(netdissect_options *, const u_char *, u_int, u_int); 533 extern void ldp_print(netdissect_options *, const u_char *, u_int); 534 extern void lisp_print(netdissect_options *, const u_char *, u_int); 535 extern u_int llap_print(netdissect_options *, const u_char *, u_int); 536 extern int llc_print(netdissect_options *, const u_char *, u_int, u_int, const struct lladdr_info *, const struct lladdr_info *); 537 extern void lldp_print(netdissect_options *, const u_char *, u_int); 538 extern void lmp_print(netdissect_options *, const u_char *, u_int); 539 extern void loopback_print(netdissect_options *, const u_char *, const u_int); 540 extern void lspping_print(netdissect_options *, const u_char *, u_int); 541 extern void lwapp_control_print(netdissect_options *, const u_char *, u_int, int); 542 extern void lwapp_data_print(netdissect_options *, const u_char *, u_int); 543 extern void lwres_print(netdissect_options *, const u_char *, u_int); 544 extern void m3ua_print(netdissect_options *, const u_char *, const u_int); 545 extern void medsa_print(netdissect_options *, const u_char *, u_int, u_int, const struct lladdr_info *, const struct lladdr_info *); 546 extern u_int mfr_print(netdissect_options *, register const u_char *, u_int); 547 extern void mobile_print(netdissect_options *, const u_char *, u_int); 548 extern int mobility_print(netdissect_options *, const u_char *, const u_char *); 549 extern void mpcp_print(netdissect_options *, const u_char *, u_int); 550 extern void mpls_print(netdissect_options *, const u_char *, u_int); 551 extern int mptcp_print(netdissect_options *, const u_char *, u_int, u_char); 552 extern void msdp_print(netdissect_options *, const u_char *, u_int); 553 extern void msnlb_print(netdissect_options *, const u_char *); 554 extern void nbt_tcp_print(netdissect_options *, const u_char *, int); 555 extern void nbt_udp137_print(netdissect_options *, const u_char *, int); 556 extern void nbt_udp138_print(netdissect_options *, const u_char *, int); 557 extern void netbeui_print(netdissect_options *, u_short, const u_char *, int); 558 extern void nfsreply_print(netdissect_options *, const u_char *, u_int, const u_char *); 559 extern void nfsreply_print_noaddr(netdissect_options *, const u_char *, u_int, const u_char *); 560 extern void nfsreq_print_noaddr(netdissect_options *, const u_char *, u_int, const u_char *); 561 extern const u_char * ns_nprint (netdissect_options *, register const u_char *, register const u_char *); 562 extern void ns_print(netdissect_options *, const u_char *, u_int, int); 563 extern void nsh_print(netdissect_options *ndo, const u_char *bp, u_int len); 564 extern void ntp_print(netdissect_options *, const u_char *, u_int); 565 extern void oam_print(netdissect_options *, const u_char *, u_int, u_int); 566 extern void olsr_print(netdissect_options *, const u_char *, u_int, int); 567 extern void openflow_print(netdissect_options *, const u_char *, const u_int); 568 extern void ospf6_print(netdissect_options *, const u_char *, u_int); 569 extern void ospf_print(netdissect_options *, const u_char *, u_int, const u_char *); 570 extern int ospf_print_grace_lsa(netdissect_options *, const uint8_t *, u_int); 571 extern int ospf_print_te_lsa(netdissect_options *, const uint8_t *, u_int); 572 extern void otv_print(netdissect_options *, const u_char *, u_int); 573 extern void pfsync_ip_print(netdissect_options *, const u_char *, u_int); 574 extern void pgm_print(netdissect_options *, const u_char *, u_int, const u_char *); 575 extern void pim_print(netdissect_options *, const u_char *, u_int, const u_char *); 576 extern void pimv1_print(netdissect_options *, const u_char *, u_int); 577 extern u_int ppp_print(netdissect_options *, register const u_char *, u_int); 578 extern u_int pppoe_print(netdissect_options *, const u_char *, u_int); 579 extern void pptp_print(netdissect_options *, const u_char *); 580 extern int print_unknown_data(netdissect_options *, const u_char *, const char *, int); 581 extern char *q922_string(netdissect_options *, const u_char *, u_int); 582 extern void q933_print(netdissect_options *, const u_char *, u_int); 583 extern void radius_print(netdissect_options *, const u_char *, u_int); 584 extern void resp_print(netdissect_options *, const u_char *, u_int); 585 extern void rip_print(netdissect_options *, const u_char *, u_int); 586 extern void ripng_print(netdissect_options *, const u_char *, unsigned int); 587 extern void rpki_rtr_print(netdissect_options *, const u_char *, u_int); 588 extern void rrcp_print(netdissect_options *, const u_char *, u_int, const struct lladdr_info *, const struct lladdr_info *); 589 extern void rsvp_print(netdissect_options *, const u_char *, u_int); 590 extern int rt6_print(netdissect_options *, const u_char *, const u_char *); 591 extern void rtsp_print(netdissect_options *, const u_char *, u_int); 592 extern void rx_print(netdissect_options *, register const u_char *, int, int, int, const u_char *); 593 extern void sctp_print(netdissect_options *, const u_char *, const u_char *, u_int); 594 extern void sflow_print(netdissect_options *, const u_char *, u_int); 595 extern void sip_print(netdissect_options *, const u_char *, u_int); 596 extern void slow_print(netdissect_options *, const u_char *, u_int); 597 extern void smb_print_data(netdissect_options *, const unsigned char *, int); 598 extern void smb_tcp_print(netdissect_options *, const u_char *, int); 599 extern void smtp_print(netdissect_options *, const u_char *, u_int); 600 extern int snap_print(netdissect_options *, const u_char *, u_int, u_int, const struct lladdr_info *, const struct lladdr_info *, u_int); 601 extern void snmp_print(netdissect_options *, const u_char *, u_int); 602 extern void stp_print(netdissect_options *, const u_char *, u_int); 603 extern void sunrpcrequest_print(netdissect_options *, const u_char *, u_int, const u_char *); 604 extern void syslog_print(netdissect_options *, const u_char *, u_int); 605 extern void tcp_print(netdissect_options *, const u_char *, u_int, const u_char *, int); 606 extern void telnet_print(netdissect_options *, const u_char *, u_int); 607 extern void tftp_print(netdissect_options *, const u_char *, u_int); 608 extern void timed_print(netdissect_options *, const u_char *); 609 extern void tipc_print(netdissect_options *, const u_char *, u_int, u_int); 610 extern u_int token_print(netdissect_options *, const u_char *, u_int, u_int); 611 extern void udld_print(netdissect_options *, const u_char *, u_int); 612 extern void udp_print(netdissect_options *, const u_char *, u_int, const u_char *, int); 613 extern int vjc_print(netdissect_options *, register const char *, u_short); 614 extern void vqp_print(netdissect_options *, register const u_char *, register u_int); 615 extern void vrrp_print(netdissect_options *, const u_char *, u_int, const u_char *, int); 616 extern void vtp_print(netdissect_options *, const u_char *, u_int); 617 extern void vxlan_gpe_print(netdissect_options *ndo, const u_char *bp, u_int len); 618 extern void vxlan_print(netdissect_options *, const u_char *, u_int); 619 extern void wb_print(netdissect_options *, const void *, u_int); 620 extern void zephyr_print(netdissect_options *, const u_char *, int); 621 extern void zmtp1_print(netdissect_options *, const u_char *, u_int); 622 extern void zmtp1_print_datagram(netdissect_options *, const u_char *, const u_int); 623 624 /* checksum routines */ 625 extern void init_checksum(void); 626 extern uint16_t verify_crc10_cksum(uint16_t, const u_char *, int); 627 extern uint16_t create_osi_cksum(const uint8_t *, int, int); 628 629 struct cksum_vec { 630 const uint8_t *ptr; 631 int len; 632 }; 633 extern uint16_t in_cksum(const struct cksum_vec *, int); 634 extern uint16_t in_cksum_shouldbe(uint16_t, uint16_t); 635 636 extern int nextproto4_cksum(netdissect_options *, const struct ip *, const uint8_t *, u_int, u_int, u_int); 637 638 /* in print-ip6.c */ 639 extern int nextproto6_cksum(netdissect_options *, const struct ip6_hdr *, const uint8_t *, u_int, u_int, u_int); 640 641 /* Utilities */ 642 extern int mask2plen(uint32_t); 643 extern int mask62plen(const u_char *); 644 645 extern const char *dnnum_string(netdissect_options *, u_short); 646 647 extern char *smb_errstr(int, int); 648 extern const char *nt_errstr(uint32_t); 649 650 extern int decode_prefix4(netdissect_options *, const u_char *, u_int, char *, u_int); 651 extern int decode_prefix6(netdissect_options *, const u_char *, u_int, char *, u_int); 652 653 extern void esp_print_decodesecret(netdissect_options *); 654 extern int esp_print_decrypt_buffer_by_ikev2(netdissect_options *, int, 655 u_char spii[8], u_char spir[8], 656 const u_char *, const u_char *); 657 658 #endif /* netdissect_h */ 659