1 /* 2 * Copyright (c) 1988-2002 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that: (1) source code distributions 7 * retain the above copyright notice and this paragraph in its entirety, (2) 8 * distributions including binary code include the above copyright notice and 9 * this paragraph in its entirety in the documentation or other materials 10 * provided with the distribution, and (3) all advertising materials mentioning 11 * features or use of this software display the following acknowledgement: 12 * ``This product includes software developed by the University of California, 13 * Lawrence Berkeley Laboratory and its contributors.'' Neither the name of 14 * the University nor the names of its contributors may be used to endorse 15 * or promote products derived from this software without specific prior 16 * written permission. 17 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED 18 * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF 19 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. 20 * 21 * @(#) $Header: /tcpdump/master/tcpdump/interface.h,v 1.285 2008-08-16 11:36:20 hannes Exp $ (LBL) 22 */ 23 24 #ifndef tcpdump_interface_h 25 #define tcpdump_interface_h 26 27 #ifdef HAVE_OS_PROTO_H 28 #include "os-proto.h" 29 #endif 30 31 /* snprintf et al */ 32 33 #include <stdarg.h> 34 35 #if HAVE_STDINT_H 36 #include <stdint.h> 37 #endif 38 39 #if !defined(HAVE_SNPRINTF) 40 int snprintf(char *, size_t, const char *, ...) 41 __attribute__((format(printf, 3, 4))); 42 #endif 43 44 #if !defined(HAVE_VSNPRINTF) 45 int vsnprintf(char *, size_t, const char *, va_list) 46 __attribute__((format(printf, 3, 0))); 47 #endif 48 49 #ifndef HAVE_STRLCAT 50 extern size_t strlcat(char *, const char *, size_t); 51 #endif 52 #ifndef HAVE_STRLCPY 53 extern size_t strlcpy(char *, const char *, size_t); 54 #endif 55 56 #ifndef HAVE_STRDUP 57 extern char *strdup(const char *); 58 #endif 59 60 #ifndef HAVE_STRSEP 61 extern char *strsep(char **, const char *); 62 #endif 63 64 #define PT_VAT 1 /* Visual Audio Tool */ 65 #define PT_WB 2 /* distributed White Board */ 66 #define PT_RPC 3 /* Remote Procedure Call */ 67 #define PT_RTP 4 /* Real-Time Applications protocol */ 68 #define PT_RTCP 5 /* Real-Time Applications control protocol */ 69 #define PT_SNMP 6 /* Simple Network Management Protocol */ 70 #define PT_CNFP 7 /* Cisco NetFlow protocol */ 71 #define PT_TFTP 8 /* trivial file transfer protocol */ 72 #define PT_AODV 9 /* Ad-hoc On-demand Distance Vector Protocol */ 73 #define PT_CARP 10 /* Common Address Redundancy Protocol */ 74 75 #ifndef min 76 #define min(a,b) ((a)>(b)?(b):(a)) 77 #endif 78 #ifndef max 79 #define max(a,b) ((b)>(a)?(b):(a)) 80 #endif 81 82 #define ESRC(ep) ((ep)->ether_shost) 83 #define EDST(ep) ((ep)->ether_dhost) 84 85 #ifndef NTOHL 86 #define NTOHL(x) (x) = ntohl(x) 87 #define NTOHS(x) (x) = ntohs(x) 88 #define HTONL(x) (x) = htonl(x) 89 #define HTONS(x) (x) = htons(x) 90 #endif 91 #endif 92 93 #ifndef MIN 94 #define MIN(a,b) ((a)<(b)?(a):(b)) 95 #endif 96 97 extern char *program_name; /* used to generate self-identifying messages */ 98 99 extern int32_t thiszone; /* seconds offset from gmt to local time */ 100 101 /* 102 * True if "l" bytes of "var" were captured. 103 * 104 * The "snapend - (l) <= snapend" checks to make sure "l" isn't so large 105 * that "snapend - (l)" underflows. 106 * 107 * The check is for <= rather than < because "l" might be 0. 108 */ 109 #define TTEST2(var, l) (snapend - (l) <= snapend && \ 110 (const u_char *)&(var) <= snapend - (l)) 111 112 /* True if "var" was captured */ 113 #define TTEST(var) TTEST2(var, sizeof(var)) 114 115 /* Bail if "l" bytes of "var" were not captured */ 116 #define TCHECK2(var, l) if (!TTEST2(var, l)) goto trunc 117 118 /* Bail if "var" was not captured */ 119 #define TCHECK(var) TCHECK2(var, sizeof(var)) 120 121 extern void ts_print(const struct timeval *); 122 extern void relts_print(int); 123 124 extern int fn_print(const u_char *, const u_char *); 125 extern int fn_printn(const u_char *, u_int, const u_char *); 126 extern int fn_printzp(const u_char *, u_int, const u_char *); 127 extern int mask2plen(u_int32_t); 128 extern const char *tok2strary_internal(const char **, int, const char *, int); 129 #define tok2strary(a,f,i) tok2strary_internal(a, sizeof(a)/sizeof(a[0]),f,i) 130 131 extern const char *dnaddr_string(u_short); 132 133 extern void error(const char *, ...) 134 __attribute__((noreturn, format (printf, 1, 2))); 135 extern void warning(const char *, ...) __attribute__ ((format (printf, 1, 2))); 136 137 extern char *read_infile(char *); 138 extern char *copy_argv(char **); 139 140 extern void safeputchar(int); 141 extern void safeputs(const char *, int); 142 143 extern const char *isonsap_string(const u_char *, register u_int); 144 extern const char *protoid_string(const u_char *); 145 extern const char *ipxsap_string(u_short); 146 extern const char *dnname_string(u_short); 147 extern const char *dnnum_string(u_short); 148 149 /* checksum routines */ 150 extern void init_checksum(void); 151 extern u_int16_t verify_crc10_cksum(u_int16_t, const u_char *, int); 152 extern u_int16_t create_osi_cksum(const u_int8_t *, int, int); 153 154 /* The printer routines. */ 155 156 #include <pcap.h> 157 158 extern int print_unknown_data(const u_char *, const char *,int); 159 extern void ascii_print(const u_char *, u_int); 160 extern void hex_and_ascii_print_with_offset(const char *, const u_char *, 161 u_int, u_int); 162 extern void hex_and_ascii_print(const char *, const u_char *, u_int); 163 extern void hex_print_with_offset(const char *, const u_char *, u_int, u_int); 164 extern void hex_print(const char *, const u_char *, u_int); 165 extern void telnet_print(const u_char *, u_int); 166 extern int llc_print(const u_char *, u_int, u_int, const u_char *, 167 const u_char *, u_short *); 168 extern int snap_print(const u_char *, u_int, u_int, u_int); 169 extern void aarp_print(const u_char *, u_int); 170 extern void aodv_print(const u_char *, u_int, int); 171 extern void atalk_print(const u_char *, u_int); 172 extern void atm_print(u_int, u_int, u_int, const u_char *, u_int, u_int); 173 extern u_int atm_if_print(const struct pcap_pkthdr *, const u_char *); 174 extern u_int sunatm_if_print(const struct pcap_pkthdr *, const u_char *); 175 extern int oam_print(const u_char *, u_int, u_int); 176 extern void bootp_print(const u_char *, u_int); 177 extern void bgp_print(const u_char *, int); 178 extern void beep_print(const u_char *, u_int); 179 extern void cnfp_print(const u_char *, const u_char *); 180 extern void decnet_print(const u_char *, u_int, u_int); 181 extern void default_print(const u_char *, u_int); 182 extern void dvmrp_print(const u_char *, u_int); 183 extern void egp_print(const u_char *, u_int); 184 extern u_int enc_if_print(const struct pcap_pkthdr *, const u_char *); 185 extern u_int pflog_if_print(const struct pcap_pkthdr *, const u_char *); 186 extern u_int arcnet_if_print(const struct pcap_pkthdr *, const u_char *); 187 extern u_int arcnet_linux_if_print(const struct pcap_pkthdr *, const u_char *); 188 extern u_int token_print(const u_char *, u_int, u_int); 189 extern u_int token_if_print(const struct pcap_pkthdr *, const u_char *); 190 extern void fddi_print(const u_char *, u_int, u_int); 191 extern u_int fddi_if_print(const struct pcap_pkthdr *, const u_char *); 192 extern u_int fr_if_print(const struct pcap_pkthdr *, const u_char *); 193 extern u_int mfr_if_print(const struct pcap_pkthdr *, const u_char *); 194 extern u_int fr_print(register const u_char *, u_int); 195 extern u_int mfr_print(register const u_char *, u_int); 196 extern char *q922_string(const u_char *); 197 extern u_int ieee802_11_if_print(const struct pcap_pkthdr *, const u_char *); 198 extern u_int ieee802_11_radio_if_print(const struct pcap_pkthdr *, 199 const u_char *); 200 extern u_int ap1394_if_print(const struct pcap_pkthdr *, const u_char *); 201 extern u_int ieee802_11_radio_avs_if_print(const struct pcap_pkthdr *, 202 const u_char *); 203 extern void gre_print(const u_char *, u_int); 204 extern void icmp_print(const u_char *, u_int, const u_char *, int); 205 extern void igmp_print(const u_char *, u_int); 206 extern void igrp_print(const u_char *, u_int, const u_char *); 207 extern void ipN_print(const u_char *, u_int); 208 extern u_int ipfc_if_print(const struct pcap_pkthdr *, const u_char *); 209 extern void ipx_print(const u_char *, u_int); 210 extern void isoclns_print(const u_char *, u_int, u_int); 211 extern void krb_print(const u_char *); 212 extern u_int llap_print(const u_char *, u_int); 213 extern u_int ltalk_if_print(const struct pcap_pkthdr *, const u_char *); 214 extern void msdp_print(const unsigned char *, u_int); 215 extern void nfsreply_print(const u_char *, u_int, const u_char *); 216 extern void nfsreq_print(const u_char *, u_int, const u_char *); 217 extern void ns_print(const u_char *, u_int, int); 218 extern void ntp_print(const u_char *, u_int); 219 extern u_int null_if_print(const struct pcap_pkthdr *, const u_char *); 220 extern void ospf_print(const u_char *, u_int, const u_char *); 221 extern void olsr_print (const u_char *, u_int, int); 222 extern void pimv1_print(const u_char *, u_int); 223 extern void cisco_autorp_print(const u_char *, u_int); 224 extern void rsvp_print(const u_char *, u_int); 225 extern void ldp_print(const u_char *, u_int); 226 extern void lldp_print(const u_char *, u_int); 227 extern void rpki_rtr_print(const u_char *, u_int); 228 extern void lmp_print(const u_char *, u_int); 229 extern void lspping_print(const u_char *, u_int); 230 extern void lwapp_control_print(const u_char *, u_int, int); 231 extern void lwapp_data_print(const u_char *, u_int); 232 extern void eigrp_print(const u_char *, u_int); 233 extern void mobile_print(const u_char *, u_int); 234 extern void pim_print(const u_char *, u_int, u_int); 235 extern u_int pppoe_print(const u_char *, u_int); 236 extern u_int ppp_print(register const u_char *, u_int); 237 extern u_int ppp_if_print(const struct pcap_pkthdr *, const u_char *); 238 extern u_int ppp_hdlc_if_print(const struct pcap_pkthdr *, const u_char *); 239 extern u_int ppp_bsdos_if_print(const struct pcap_pkthdr *, const u_char *); 240 extern u_int pppoe_if_print(const struct pcap_pkthdr *, const u_char *); 241 extern u_int prism_if_print(const struct pcap_pkthdr *, const u_char *); 242 extern void q933_print(const u_char *, u_int); 243 extern int vjc_print(register const char *, u_short); 244 extern void vqp_print(register const u_char *, register u_int); 245 extern u_int raw_if_print(const struct pcap_pkthdr *, const u_char *); 246 extern void rip_print(const u_char *, u_int); 247 extern u_int sl_if_print(const struct pcap_pkthdr *, const u_char *); 248 extern void lane_print(const u_char *, u_int, u_int); 249 extern u_int lane_if_print(const struct pcap_pkthdr *, const u_char *); 250 extern u_int cip_if_print(const struct pcap_pkthdr *, const u_char *); 251 extern u_int sl_bsdos_if_print(const struct pcap_pkthdr *, const u_char *); 252 extern u_int chdlc_if_print(const struct pcap_pkthdr *, const u_char *); 253 extern u_int chdlc_print(register const u_char *, u_int); 254 extern u_int juniper_atm1_print(const struct pcap_pkthdr *, const u_char *); 255 extern u_int juniper_atm2_print(const struct pcap_pkthdr *, const u_char *); 256 extern u_int juniper_mfr_print(const struct pcap_pkthdr *, register const u_char *); 257 extern u_int juniper_mlfr_print(const struct pcap_pkthdr *, const u_char *); 258 extern u_int juniper_mlppp_print(const struct pcap_pkthdr *, const u_char *); 259 extern u_int juniper_pppoe_print(const struct pcap_pkthdr *, const u_char *); 260 extern u_int juniper_pppoe_atm_print(const struct pcap_pkthdr *, const u_char *); 261 extern u_int juniper_ggsn_print(const struct pcap_pkthdr *, const u_char *); 262 extern u_int juniper_es_print(const struct pcap_pkthdr *, const u_char *); 263 extern u_int juniper_monitor_print(const struct pcap_pkthdr *, const u_char *); 264 extern u_int juniper_services_print(const struct pcap_pkthdr *, const u_char *); 265 extern u_int juniper_ether_print(const struct pcap_pkthdr *, const u_char *); 266 extern u_int juniper_ppp_print(const struct pcap_pkthdr *, const u_char *); 267 extern u_int juniper_frelay_print(const struct pcap_pkthdr *, const u_char *); 268 extern u_int juniper_chdlc_print(const struct pcap_pkthdr *, const u_char *); 269 extern u_int sll_if_print(const struct pcap_pkthdr *, const u_char *); 270 extern void snmp_print(const u_char *, u_int); 271 extern void sunrpcrequest_print(const u_char *, u_int, const u_char *); 272 extern u_int symantec_if_print(const struct pcap_pkthdr *, const u_char *); 273 extern void tcp_print(const u_char *, u_int, const u_char *, int); 274 extern void tftp_print(const u_char *, u_int); 275 extern void timed_print(const u_char *); 276 extern void udld_print(const u_char *, u_int); 277 extern void udp_print(const u_char *, u_int, const u_char *, int); 278 extern void vtp_print(const u_char *, u_int); 279 extern void wb_print(const void *, u_int); 280 extern int ah_print(register const u_char *); 281 extern int ipcomp_print(register const u_char *, int *); 282 extern void rx_print(register const u_char *, int, int, int, u_char *); 283 extern void netbeui_print(u_short, const u_char *, int); 284 extern void ipx_netbios_print(const u_char *, u_int); 285 extern void nbt_tcp_print(const u_char *, int); 286 extern void nbt_udp137_print(const u_char *, int); 287 extern void nbt_udp138_print(const u_char *, int); 288 extern void smb_tcp_print(const u_char *, int); 289 extern char *smb_errstr(int, int); 290 extern const char *nt_errstr(u_int32_t); 291 extern void print_data(const unsigned char *, int); 292 extern void l2tp_print(const u_char *, u_int); 293 extern void vrrp_print(const u_char *, u_int, int); 294 extern void carp_print(const u_char *, u_int, int); 295 extern void slow_print(const u_char *, u_int); 296 extern void sflow_print(const u_char *, u_int); 297 extern void mpcp_print(const u_char *, u_int); 298 extern void cfm_print(const u_char *, u_int); 299 extern void pgm_print(const u_char *, u_int, const u_char *); 300 extern void cdp_print(const u_char *, u_int, u_int); 301 extern void dtp_print(const u_char *, u_int); 302 extern void stp_print(const u_char *, u_int); 303 extern void radius_print(const u_char *, u_int); 304 extern void lwres_print(const u_char *, u_int); 305 extern void pptp_print(const u_char *); 306 extern void dccp_print(const u_char *, const u_char *, u_int); 307 extern void sctp_print(const u_char *, const u_char *, u_int); 308 extern void forces_print(const u_char *, u_int); 309 extern void mpls_print(const u_char *, u_int); 310 extern void mpls_lsp_ping_print(const u_char *, u_int); 311 extern void zephyr_print(const u_char *, int); 312 extern void hsrp_print(const u_char *, u_int); 313 extern void bfd_print(const u_char *, u_int, u_int); 314 extern void sip_print(const u_char *, u_int); 315 extern void syslog_print(const u_char *, u_int); 316 extern u_int bt_if_print(const struct pcap_pkthdr *, const u_char *); 317 extern u_int usb_linux_48_byte_print(const struct pcap_pkthdr *, const u_char *); 318 extern u_int usb_linux_64_byte_print(const struct pcap_pkthdr *, const u_char *); 319 320 321 #ifdef INET6 322 extern void ip6_opt_print(const u_char *, int); 323 extern int hbhopt_print(const u_char *); 324 extern int dstopt_print(const u_char *); 325 extern int frag6_print(const u_char *, const u_char *); 326 extern int mobility_print(const u_char *, const u_char *); 327 extern void ripng_print(const u_char *, unsigned int); 328 extern int rt6_print(const u_char *, const u_char *); 329 extern void ospf6_print(const u_char *, u_int); 330 extern void dhcp6_print(const u_char *, u_int); 331 extern void babel_print(const u_char *, u_int); 332 extern int mask62plen(const u_char *); 333 #endif /*INET6*/ 334 335 struct cksum_vec { 336 const u_int8_t *ptr; 337 int len; 338 }; 339 extern u_int16_t in_cksum(const struct cksum_vec *, int); 340 extern u_int16_t in_cksum_shouldbe(u_int16_t, u_int16_t); 341 342 #ifndef HAVE_BPF_DUMP 343 struct bpf_program; 344 345 extern void bpf_dump(const struct bpf_program *, int); 346 347 #endif 348 349 #include "netdissect.h" 350 351 /* forward compatibility */ 352 353 #ifndef NETDISSECT_REWORKED 354 extern netdissect_options *gndo; 355 356 #define bflag gndo->ndo_bflag 357 #define eflag gndo->ndo_eflag 358 #define fflag gndo->ndo_fflag 359 #define jflag gndo->ndo_jflag 360 #define Kflag gndo->ndo_Kflag 361 #define nflag gndo->ndo_nflag 362 #define Nflag gndo->ndo_Nflag 363 #define Oflag gndo->ndo_Oflag 364 #define pflag gndo->ndo_pflag 365 #define qflag gndo->ndo_qflag 366 #define Rflag gndo->ndo_Rflag 367 #define sflag gndo->ndo_sflag 368 #define Sflag gndo->ndo_Sflag 369 #define tflag gndo->ndo_tflag 370 #define Uflag gndo->ndo_Uflag 371 #define uflag gndo->ndo_uflag 372 #define vflag gndo->ndo_vflag 373 #define xflag gndo->ndo_xflag 374 #define Xflag gndo->ndo_Xflag 375 #define Cflag gndo->ndo_Cflag 376 #define Gflag gndo->ndo_Gflag 377 #define Aflag gndo->ndo_Aflag 378 #define Bflag gndo->ndo_Bflag 379 #define Iflag gndo->ndo_Iflag 380 #define suppress_default_print gndo->ndo_suppress_default_print 381 #define packettype gndo->ndo_packettype 382 #define sigsecret gndo->ndo_sigsecret 383 #define Wflag gndo->ndo_Wflag 384 #define WflagChars gndo->ndo_WflagChars 385 #define Cflag_count gndo->ndo_Cflag_count 386 #define Gflag_count gndo->ndo_Gflag_count 387 #define Gflag_time gndo->ndo_Gflag_time 388 #define Hflag gndo->ndo_Hflag 389 #define snaplen gndo->ndo_snaplen 390 #define snapend gndo->ndo_snapend 391 392 #endif 393