1190214Srpaulo/* -*- Mode: c; tab-width: 8; indent-tabs-mode: 1; c-basic-offset: 8; -*- */ 2190214Srpaulo/* 3190214Srpaulo * Copyright (c) 1993, 1994, 1995, 1996, 1997 4190214Srpaulo * The Regents of the University of California. All rights reserved. 5190214Srpaulo * 6190214Srpaulo * Redistribution and use in source and binary forms, with or without 7190214Srpaulo * modification, are permitted provided that the following conditions 8190214Srpaulo * are met: 9190214Srpaulo * 1. Redistributions of source code must retain the above copyright 10190214Srpaulo * notice, this list of conditions and the following disclaimer. 11190214Srpaulo * 2. Redistributions in binary form must reproduce the above copyright 12190214Srpaulo * notice, this list of conditions and the following disclaimer in the 13190214Srpaulo * documentation and/or other materials provided with the distribution. 14190214Srpaulo * 3. All advertising materials mentioning features or use of this software 15190214Srpaulo * must display the following acknowledgement: 16190214Srpaulo * This product includes software developed by the Computer Systems 17190214Srpaulo * Engineering Group at Lawrence Berkeley Laboratory. 18190214Srpaulo * 4. Neither the name of the University nor of the Laboratory may be used 19190214Srpaulo * to endorse or promote products derived from this software without 20190214Srpaulo * specific prior written permission. 21190214Srpaulo * 22190214Srpaulo * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 23190214Srpaulo * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24190214Srpaulo * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25190214Srpaulo * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 26190214Srpaulo * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27190214Srpaulo * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28190214Srpaulo * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29190214Srpaulo * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30190214Srpaulo * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31190214Srpaulo * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32190214Srpaulo * SUCH DAMAGE. 33190214Srpaulo * 34214518Srpaulo * @(#) $Header: /tcpdump/master/libpcap/pcap/pcap.h,v 1.15 2008-10-06 15:27:32 gianluca Exp $ (LBL) 35190214Srpaulo */ 36190214Srpaulo 37190214Srpaulo#ifndef lib_pcap_pcap_h 38190214Srpaulo#define lib_pcap_pcap_h 39190214Srpaulo 40190214Srpaulo#if defined(WIN32) 41190214Srpaulo #include <pcap-stdinc.h> 42190214Srpaulo#elif defined(MSDOS) 43190214Srpaulo #include <sys/types.h> 44190214Srpaulo #include <sys/socket.h> /* u_int, u_char etc. */ 45190214Srpaulo#else /* UN*X */ 46190214Srpaulo #include <sys/types.h> 47190214Srpaulo #include <sys/time.h> 48190214Srpaulo#endif /* WIN32/MSDOS/UN*X */ 49190214Srpaulo 50190640Srpaulo#include <net/bpf.h> 51190214Srpaulo 52190214Srpaulo#include <stdio.h> 53190214Srpaulo 54190214Srpaulo#ifdef __cplusplus 55190214Srpauloextern "C" { 56190214Srpaulo#endif 57190214Srpaulo 58214518Srpaulo/* 59214518Srpaulo * Version number of the current version of the pcap file format. 60214518Srpaulo * 61214518Srpaulo * NOTE: this is *NOT* the version number of the libpcap library. 62214518Srpaulo * To fetch the version information for the version of libpcap 63214518Srpaulo * you're using, use pcap_lib_version(). 64214518Srpaulo */ 65190214Srpaulo#define PCAP_VERSION_MAJOR 2 66190214Srpaulo#define PCAP_VERSION_MINOR 4 67190214Srpaulo 68190214Srpaulo#define PCAP_ERRBUF_SIZE 256 69190214Srpaulo 70190214Srpaulo/* 71190214Srpaulo * Compatibility for systems that have a bpf.h that 72190214Srpaulo * predates the bpf typedefs for 64-bit support. 73190214Srpaulo */ 74190214Srpaulo#if BPF_RELEASE - 0 < 199406 75190214Srpaulotypedef int bpf_int32; 76190214Srpaulotypedef u_int bpf_u_int32; 77190214Srpaulo#endif 78190214Srpaulo 79190214Srpaulotypedef struct pcap pcap_t; 80190214Srpaulotypedef struct pcap_dumper pcap_dumper_t; 81190214Srpaulotypedef struct pcap_if pcap_if_t; 82190214Srpaulotypedef struct pcap_addr pcap_addr_t; 83190214Srpaulo 84190214Srpaulo/* 85190214Srpaulo * The first record in the file contains saved values for some 86190214Srpaulo * of the flags used in the printout phases of tcpdump. 87190214Srpaulo * Many fields here are 32 bit ints so compilers won't insert unwanted 88190214Srpaulo * padding; these files need to be interchangeable across architectures. 89190214Srpaulo * 90190214Srpaulo * Do not change the layout of this structure, in any way (this includes 91190214Srpaulo * changes that only affect the length of fields in this structure). 92190214Srpaulo * 93190214Srpaulo * Also, do not change the interpretation of any of the members of this 94190214Srpaulo * structure, in any way (this includes using values other than 95190214Srpaulo * LINKTYPE_ values, as defined in "savefile.c", in the "linktype" 96190214Srpaulo * field). 97190214Srpaulo * 98190214Srpaulo * Instead: 99190214Srpaulo * 100190214Srpaulo * introduce a new structure for the new format, if the layout 101190214Srpaulo * of the structure changed; 102190214Srpaulo * 103190214Srpaulo * send mail to "tcpdump-workers@lists.tcpdump.org", requesting 104190214Srpaulo * a new magic number for your new capture file format, and, when 105190214Srpaulo * you get the new magic number, put it in "savefile.c"; 106190214Srpaulo * 107190214Srpaulo * use that magic number for save files with the changed file 108190214Srpaulo * header; 109190214Srpaulo * 110190214Srpaulo * make the code in "savefile.c" capable of reading files with 111190214Srpaulo * the old file header as well as files with the new file header 112190214Srpaulo * (using the magic number to determine the header format). 113190214Srpaulo * 114251129Sdelphij * Then supply the changes by forking the branch at 115190214Srpaulo * 116251129Sdelphij * https://github.com/mcr/libpcap/issues 117190214Srpaulo * 118251129Sdelphij * and issuing a pull request, so that future versions of libpcap and 119251129Sdelphij * programs that use it (such as tcpdump) will be able to read your new 120251129Sdelphij * capture file format. 121190214Srpaulo */ 122190214Srpaulostruct pcap_file_header { 123190214Srpaulo bpf_u_int32 magic; 124190214Srpaulo u_short version_major; 125190214Srpaulo u_short version_minor; 126190214Srpaulo bpf_int32 thiszone; /* gmt to local correction */ 127190214Srpaulo bpf_u_int32 sigfigs; /* accuracy of timestamps */ 128190214Srpaulo bpf_u_int32 snaplen; /* max length saved portion of each pkt */ 129190214Srpaulo bpf_u_int32 linktype; /* data link type (LINKTYPE_*) */ 130190214Srpaulo}; 131190214Srpaulo 132190214Srpaulo/* 133190214Srpaulo * Macros for the value returned by pcap_datalink_ext(). 134190214Srpaulo * 135190214Srpaulo * If LT_FCS_LENGTH_PRESENT(x) is true, the LT_FCS_LENGTH(x) macro 136190214Srpaulo * gives the FCS length of packets in the capture. 137190214Srpaulo */ 138190214Srpaulo#define LT_FCS_LENGTH_PRESENT(x) ((x) & 0x04000000) 139190214Srpaulo#define LT_FCS_LENGTH(x) (((x) & 0xF0000000) >> 28) 140190214Srpaulo#define LT_FCS_DATALINK_EXT(x) ((((x) & 0xF) << 28) | 0x04000000) 141190214Srpaulo 142190214Srpaulotypedef enum { 143190214Srpaulo PCAP_D_INOUT = 0, 144190214Srpaulo PCAP_D_IN, 145190214Srpaulo PCAP_D_OUT 146190214Srpaulo} pcap_direction_t; 147190214Srpaulo 148190214Srpaulo/* 149190214Srpaulo * Generic per-packet information, as supplied by libpcap. 150190214Srpaulo * 151190214Srpaulo * The time stamp can and should be a "struct timeval", regardless of 152190214Srpaulo * whether your system supports 32-bit tv_sec in "struct timeval", 153190214Srpaulo * 64-bit tv_sec in "struct timeval", or both if it supports both 32-bit 154190214Srpaulo * and 64-bit applications. The on-disk format of savefiles uses 32-bit 155190214Srpaulo * tv_sec (and tv_usec); this structure is irrelevant to that. 32-bit 156190214Srpaulo * and 64-bit versions of libpcap, even if they're on the same platform, 157190214Srpaulo * should supply the appropriate version of "struct timeval", even if 158190214Srpaulo * that's not what the underlying packet capture mechanism supplies. 159190214Srpaulo */ 160190214Srpaulostruct pcap_pkthdr { 161190214Srpaulo struct timeval ts; /* time stamp */ 162190214Srpaulo bpf_u_int32 caplen; /* length of portion present */ 163190214Srpaulo bpf_u_int32 len; /* length this packet (off wire) */ 164190214Srpaulo}; 165190214Srpaulo 166190214Srpaulo/* 167190214Srpaulo * As returned by the pcap_stats() 168190214Srpaulo */ 169190214Srpaulostruct pcap_stat { 170190214Srpaulo u_int ps_recv; /* number of packets received */ 171190214Srpaulo u_int ps_drop; /* number of packets dropped */ 172214518Srpaulo u_int ps_ifdrop; /* drops by interface -- only supported on some platforms */ 173190214Srpaulo#ifdef WIN32 174190214Srpaulo u_int bs_capt; /* number of packets that reach the application */ 175190214Srpaulo#endif /* WIN32 */ 176190214Srpaulo}; 177190214Srpaulo 178190214Srpaulo#ifdef MSDOS 179190214Srpaulo/* 180190214Srpaulo * As returned by the pcap_stats_ex() 181190214Srpaulo */ 182190214Srpaulostruct pcap_stat_ex { 183190214Srpaulo u_long rx_packets; /* total packets received */ 184190214Srpaulo u_long tx_packets; /* total packets transmitted */ 185190214Srpaulo u_long rx_bytes; /* total bytes received */ 186190214Srpaulo u_long tx_bytes; /* total bytes transmitted */ 187190214Srpaulo u_long rx_errors; /* bad packets received */ 188190214Srpaulo u_long tx_errors; /* packet transmit problems */ 189190214Srpaulo u_long rx_dropped; /* no space in Rx buffers */ 190190214Srpaulo u_long tx_dropped; /* no space available for Tx */ 191190214Srpaulo u_long multicast; /* multicast packets received */ 192190214Srpaulo u_long collisions; 193190214Srpaulo 194190214Srpaulo /* detailed rx_errors: */ 195190214Srpaulo u_long rx_length_errors; 196190214Srpaulo u_long rx_over_errors; /* receiver ring buff overflow */ 197190214Srpaulo u_long rx_crc_errors; /* recv'd pkt with crc error */ 198190214Srpaulo u_long rx_frame_errors; /* recv'd frame alignment error */ 199190214Srpaulo u_long rx_fifo_errors; /* recv'r fifo overrun */ 200190214Srpaulo u_long rx_missed_errors; /* recv'r missed packet */ 201190214Srpaulo 202190214Srpaulo /* detailed tx_errors */ 203190214Srpaulo u_long tx_aborted_errors; 204190214Srpaulo u_long tx_carrier_errors; 205190214Srpaulo u_long tx_fifo_errors; 206190214Srpaulo u_long tx_heartbeat_errors; 207190214Srpaulo u_long tx_window_errors; 208190214Srpaulo }; 209190214Srpaulo#endif 210190214Srpaulo 211190214Srpaulo/* 212190214Srpaulo * Item in a list of interfaces. 213190214Srpaulo */ 214190214Srpaulostruct pcap_if { 215190214Srpaulo struct pcap_if *next; 216190214Srpaulo char *name; /* name to hand to "pcap_open_live()" */ 217190214Srpaulo char *description; /* textual description of interface, or NULL */ 218190214Srpaulo struct pcap_addr *addresses; 219190214Srpaulo bpf_u_int32 flags; /* PCAP_IF_ interface flags */ 220190214Srpaulo}; 221190214Srpaulo 222190214Srpaulo#define PCAP_IF_LOOPBACK 0x00000001 /* interface is loopback */ 223190214Srpaulo 224190214Srpaulo/* 225190214Srpaulo * Representation of an interface address. 226190214Srpaulo */ 227190214Srpaulostruct pcap_addr { 228190214Srpaulo struct pcap_addr *next; 229190214Srpaulo struct sockaddr *addr; /* address */ 230190214Srpaulo struct sockaddr *netmask; /* netmask for that address */ 231190214Srpaulo struct sockaddr *broadaddr; /* broadcast address for that address */ 232190214Srpaulo struct sockaddr *dstaddr; /* P2P destination address for that address */ 233190214Srpaulo}; 234190214Srpaulo 235190214Srpaulotypedef void (*pcap_handler)(u_char *, const struct pcap_pkthdr *, 236190214Srpaulo const u_char *); 237190214Srpaulo 238190214Srpaulo/* 239190214Srpaulo * Error codes for the pcap API. 240190214Srpaulo * These will all be negative, so you can check for the success or 241190214Srpaulo * failure of a call that returns these codes by checking for a 242190214Srpaulo * negative value. 243190214Srpaulo */ 244190214Srpaulo#define PCAP_ERROR -1 /* generic error code */ 245190214Srpaulo#define PCAP_ERROR_BREAK -2 /* loop terminated by pcap_breakloop */ 246190214Srpaulo#define PCAP_ERROR_NOT_ACTIVATED -3 /* the capture needs to be activated */ 247190214Srpaulo#define PCAP_ERROR_ACTIVATED -4 /* the operation can't be performed on already activated captures */ 248190214Srpaulo#define PCAP_ERROR_NO_SUCH_DEVICE -5 /* no such device exists */ 249190214Srpaulo#define PCAP_ERROR_RFMON_NOTSUP -6 /* this device doesn't support rfmon (monitor) mode */ 250190214Srpaulo#define PCAP_ERROR_NOT_RFMON -7 /* operation supported only in monitor mode */ 251190214Srpaulo#define PCAP_ERROR_PERM_DENIED -8 /* no permission to open the device */ 252190214Srpaulo#define PCAP_ERROR_IFACE_NOT_UP -9 /* interface isn't up */ 253235426Sdelphij#define PCAP_ERROR_CANTSET_TSTAMP_TYPE -10 /* this device doesn't support setting the time stamp type */ 254235426Sdelphij#define PCAP_ERROR_PROMISC_PERM_DENIED -11 /* you don't have permission to capture in promiscuous mode */ 255190214Srpaulo 256190214Srpaulo/* 257190214Srpaulo * Warning codes for the pcap API. 258190214Srpaulo * These will all be positive and non-zero, so they won't look like 259190214Srpaulo * errors. 260190214Srpaulo */ 261190214Srpaulo#define PCAP_WARNING 1 /* generic warning code */ 262190214Srpaulo#define PCAP_WARNING_PROMISC_NOTSUP 2 /* this device doesn't support promiscuous mode */ 263235426Sdelphij#define PCAP_WARNING_TSTAMP_TYPE_NOTSUP 3 /* the requested time stamp type is not supported */ 264190214Srpaulo 265214518Srpaulo/* 266214518Srpaulo * Value to pass to pcap_compile() as the netmask if you don't know what 267214518Srpaulo * the netmask is. 268214518Srpaulo */ 269214518Srpaulo#define PCAP_NETMASK_UNKNOWN 0xffffffff 270214518Srpaulo 271190214Srpaulochar *pcap_lookupdev(char *); 272190214Srpauloint pcap_lookupnet(const char *, bpf_u_int32 *, bpf_u_int32 *, char *); 273190214Srpaulo 274190214Srpaulopcap_t *pcap_create(const char *, char *); 275190214Srpauloint pcap_set_snaplen(pcap_t *, int); 276190214Srpauloint pcap_set_promisc(pcap_t *, int); 277190214Srpauloint pcap_can_set_rfmon(pcap_t *); 278190214Srpauloint pcap_set_rfmon(pcap_t *, int); 279190214Srpauloint pcap_set_timeout(pcap_t *, int); 280235426Sdelphijint pcap_set_tstamp_type(pcap_t *, int); 281190214Srpauloint pcap_set_buffer_size(pcap_t *, int); 282190214Srpauloint pcap_activate(pcap_t *); 283190214Srpaulo 284235426Sdelphijint pcap_list_tstamp_types(pcap_t *, int **); 285235426Sdelphijvoid pcap_free_tstamp_types(int *); 286235426Sdelphijint pcap_tstamp_type_name_to_val(const char *); 287235426Sdelphijconst char *pcap_tstamp_type_val_to_name(int); 288235426Sdelphijconst char *pcap_tstamp_type_val_to_description(int); 289235426Sdelphij 290235426Sdelphij/* 291235426Sdelphij * Time stamp types. 292235426Sdelphij * Not all systems and interfaces will necessarily support all of these. 293235426Sdelphij * 294235426Sdelphij * A system that supports PCAP_TSTAMP_HOST is offering time stamps 295235426Sdelphij * provided by the host machine, rather than by the capture device, 296235426Sdelphij * but not committing to any characteristics of the time stamp; 297235426Sdelphij * it will not offer any of the PCAP_TSTAMP_HOST_ subtypes. 298235426Sdelphij * 299235426Sdelphij * PCAP_TSTAMP_HOST_LOWPREC is a time stamp, provided by the host machine, 300235426Sdelphij * that's low-precision but relatively cheap to fetch; it's normally done 301235426Sdelphij * using the system clock, so it's normally synchronized with times you'd 302235426Sdelphij * fetch from system calls. 303235426Sdelphij * 304235426Sdelphij * PCAP_TSTAMP_HOST_HIPREC is a time stamp, provided by the host machine, 305235426Sdelphij * that's high-precision; it might be more expensive to fetch. It might 306235426Sdelphij * or might not be synchronized with the system clock, and might have 307235426Sdelphij * problems with time stamps for packets received on different CPUs, 308235426Sdelphij * depending on the platform. 309235426Sdelphij * 310235426Sdelphij * PCAP_TSTAMP_ADAPTER is a high-precision time stamp supplied by the 311235426Sdelphij * capture device; it's synchronized with the system clock. 312235426Sdelphij * 313235426Sdelphij * PCAP_TSTAMP_ADAPTER_UNSYNCED is a high-precision time stamp supplied by 314235426Sdelphij * the capture device; it's not synchronized with the system clock. 315235426Sdelphij * 316235426Sdelphij * Note that time stamps synchronized with the system clock can go 317235426Sdelphij * backwards, as the system clock can go backwards. If a clock is 318235426Sdelphij * not in sync with the system clock, that could be because the 319235426Sdelphij * system clock isn't keeping accurate time, because the other 320235426Sdelphij * clock isn't keeping accurate time, or both. 321235426Sdelphij * 322235426Sdelphij * Note that host-provided time stamps generally correspond to the 323235426Sdelphij * time when the time-stamping code sees the packet; this could 324235426Sdelphij * be some unknown amount of time after the first or last bit of 325235426Sdelphij * the packet is received by the network adapter, due to batching 326235426Sdelphij * of interrupts for packet arrival, queueing delays, etc.. 327235426Sdelphij */ 328235426Sdelphij#define PCAP_TSTAMP_HOST 0 /* host-provided, unknown characteristics */ 329235426Sdelphij#define PCAP_TSTAMP_HOST_LOWPREC 1 /* host-provided, low precision */ 330235426Sdelphij#define PCAP_TSTAMP_HOST_HIPREC 2 /* host-provided, high precision */ 331235426Sdelphij#define PCAP_TSTAMP_ADAPTER 3 /* device-provided, synced with the system clock */ 332235426Sdelphij#define PCAP_TSTAMP_ADAPTER_UNSYNCED 4 /* device-provided, not synced with the system clock */ 333235426Sdelphij 334190214Srpaulopcap_t *pcap_open_live(const char *, int, int, int, char *); 335190214Srpaulopcap_t *pcap_open_dead(int, int); 336190214Srpaulopcap_t *pcap_open_offline(const char *, char *); 337190214Srpaulo#if defined(WIN32) 338190214Srpaulopcap_t *pcap_hopen_offline(intptr_t, char *); 339190214Srpaulo#if !defined(LIBPCAP_EXPORTS) 340190214Srpaulo#define pcap_fopen_offline(f,b) \ 341190214Srpaulo pcap_hopen_offline(_get_osfhandle(_fileno(f)), b) 342190214Srpaulo#else /*LIBPCAP_EXPORTS*/ 343190214Srpaulostatic pcap_t *pcap_fopen_offline(FILE *, char *); 344190214Srpaulo#endif 345190214Srpaulo#else /*WIN32*/ 346190214Srpaulopcap_t *pcap_fopen_offline(FILE *, char *); 347190214Srpaulo#endif /*WIN32*/ 348190214Srpaulo 349190214Srpaulovoid pcap_close(pcap_t *); 350190214Srpauloint pcap_loop(pcap_t *, int, pcap_handler, u_char *); 351190214Srpauloint pcap_dispatch(pcap_t *, int, pcap_handler, u_char *); 352190214Srpauloconst u_char* 353190214Srpaulo pcap_next(pcap_t *, struct pcap_pkthdr *); 354190214Srpauloint pcap_next_ex(pcap_t *, struct pcap_pkthdr **, const u_char **); 355190214Srpaulovoid pcap_breakloop(pcap_t *); 356190214Srpauloint pcap_stats(pcap_t *, struct pcap_stat *); 357190214Srpauloint pcap_setfilter(pcap_t *, struct bpf_program *); 358190214Srpauloint pcap_setdirection(pcap_t *, pcap_direction_t); 359190214Srpauloint pcap_getnonblock(pcap_t *, char *); 360190214Srpauloint pcap_setnonblock(pcap_t *, int, char *); 361190214Srpauloint pcap_inject(pcap_t *, const void *, size_t); 362190214Srpauloint pcap_sendpacket(pcap_t *, const u_char *, int); 363190214Srpauloconst char *pcap_statustostr(int); 364190214Srpauloconst char *pcap_strerror(int); 365190214Srpaulochar *pcap_geterr(pcap_t *); 366190214Srpaulovoid pcap_perror(pcap_t *, char *); 367190214Srpauloint pcap_compile(pcap_t *, struct bpf_program *, const char *, int, 368190214Srpaulo bpf_u_int32); 369190214Srpauloint pcap_compile_nopcap(int, int, struct bpf_program *, 370190214Srpaulo const char *, int, bpf_u_int32); 371190214Srpaulovoid pcap_freecode(struct bpf_program *); 372251129Sdelphijint pcap_offline_filter(const struct bpf_program *, 373251129Sdelphij const struct pcap_pkthdr *, const u_char *); 374190214Srpauloint pcap_datalink(pcap_t *); 375190214Srpauloint pcap_datalink_ext(pcap_t *); 376190214Srpauloint pcap_list_datalinks(pcap_t *, int **); 377190214Srpauloint pcap_set_datalink(pcap_t *, int); 378190214Srpaulovoid pcap_free_datalinks(int *); 379190214Srpauloint pcap_datalink_name_to_val(const char *); 380190214Srpauloconst char *pcap_datalink_val_to_name(int); 381190214Srpauloconst char *pcap_datalink_val_to_description(int); 382190214Srpauloint pcap_snapshot(pcap_t *); 383190214Srpauloint pcap_is_swapped(pcap_t *); 384190214Srpauloint pcap_major_version(pcap_t *); 385190214Srpauloint pcap_minor_version(pcap_t *); 386190214Srpaulo 387190214Srpaulo/* XXX */ 388190214SrpauloFILE *pcap_file(pcap_t *); 389190214Srpauloint pcap_fileno(pcap_t *); 390190214Srpaulo 391190214Srpaulopcap_dumper_t *pcap_dump_open(pcap_t *, const char *); 392190214Srpaulopcap_dumper_t *pcap_dump_fopen(pcap_t *, FILE *fp); 393190214SrpauloFILE *pcap_dump_file(pcap_dumper_t *); 394190214Srpaulolong pcap_dump_ftell(pcap_dumper_t *); 395190214Srpauloint pcap_dump_flush(pcap_dumper_t *); 396190214Srpaulovoid pcap_dump_close(pcap_dumper_t *); 397190214Srpaulovoid pcap_dump(u_char *, const struct pcap_pkthdr *, const u_char *); 398190214Srpaulo 399190214Srpauloint pcap_findalldevs(pcap_if_t **, char *); 400190214Srpaulovoid pcap_freealldevs(pcap_if_t *); 401190214Srpaulo 402190214Srpauloconst char *pcap_lib_version(void); 403190214Srpaulo 404235426Sdelphij/* 405235426Sdelphij * On at least some versions of NetBSD, we don't want to declare 406235426Sdelphij * bpf_filter() here, as it's also be declared in <net/bpf.h>, with a 407235426Sdelphij * different signature, but, on other BSD-flavored UN*Xes, it's not 408235426Sdelphij * declared in <net/bpf.h>, so we *do* want to declare it here, so it's 409235426Sdelphij * declared when we build pcap-bpf.c. 410235426Sdelphij */ 411235426Sdelphij#ifndef __NetBSD__ 412190944Srpaulou_int bpf_filter(struct bpf_insn *, u_char *, u_int, u_int); 413235426Sdelphij#endif 414214518Srpauloint bpf_validate(const struct bpf_insn *f, int len); 415190944Srpaulochar *bpf_image(struct bpf_insn *, int); 416190944Srpaulovoid bpf_dump(struct bpf_program *, int); 417190214Srpaulo 418190214Srpaulo#if defined(WIN32) 419190214Srpaulo 420190214Srpaulo/* 421190214Srpaulo * Win32 definitions 422190214Srpaulo */ 423190214Srpaulo 424190214Srpauloint pcap_setbuff(pcap_t *p, int dim); 425190214Srpauloint pcap_setmode(pcap_t *p, int mode); 426190214Srpauloint pcap_setmintocopy(pcap_t *p, int size); 427190214Srpaulo 428190214Srpaulo#ifdef WPCAP 429190214Srpaulo/* Include file with the wpcap-specific extensions */ 430190214Srpaulo#include <Win32-Extensions.h> 431190214Srpaulo#endif /* WPCAP */ 432190214Srpaulo 433190214Srpaulo#define MODE_CAPT 0 434190214Srpaulo#define MODE_STAT 1 435190214Srpaulo#define MODE_MON 2 436190214Srpaulo 437190214Srpaulo#elif defined(MSDOS) 438190214Srpaulo 439190214Srpaulo/* 440190214Srpaulo * MS-DOS definitions 441190214Srpaulo */ 442190214Srpaulo 443190214Srpauloint pcap_stats_ex (pcap_t *, struct pcap_stat_ex *); 444190214Srpaulovoid pcap_set_wait (pcap_t *p, void (*yield)(void), int wait); 445190214Srpaulou_long pcap_mac_packets (void); 446190214Srpaulo 447190214Srpaulo#else /* UN*X */ 448190214Srpaulo 449190214Srpaulo/* 450190214Srpaulo * UN*X definitions 451190214Srpaulo */ 452190214Srpaulo 453190214Srpauloint pcap_get_selectable_fd(pcap_t *); 454190214Srpaulo 455190214Srpaulo#endif /* WIN32/MSDOS/UN*X */ 456190214Srpaulo 457190214Srpaulo#ifdef __cplusplus 458190214Srpaulo} 459190214Srpaulo#endif 460190214Srpaulo 461235426Sdelphij#endif /* lib_pcap_pcap_h */ 462