Annotation of embedaddon/libnet/win32/wpdpack/Include/pcap/pcap.h, revision 1.1
1.1 ! misho 1: /* -*- Mode: c; tab-width: 8; indent-tabs-mode: 1; c-basic-offset: 8; -*- */
! 2: /*
! 3: * Copyright (c) 1993, 1994, 1995, 1996, 1997
! 4: * The Regents of the University of California. All rights reserved.
! 5: *
! 6: * Redistribution and use in source and binary forms, with or without
! 7: * modification, are permitted provided that the following conditions
! 8: * are met:
! 9: * 1. Redistributions of source code must retain the above copyright
! 10: * notice, this list of conditions and the following disclaimer.
! 11: * 2. Redistributions in binary form must reproduce the above copyright
! 12: * notice, this list of conditions and the following disclaimer in the
! 13: * documentation and/or other materials provided with the distribution.
! 14: * 3. All advertising materials mentioning features or use of this software
! 15: * must display the following acknowledgement:
! 16: * This product includes software developed by the Computer Systems
! 17: * Engineering Group at Lawrence Berkeley Laboratory.
! 18: * 4. Neither the name of the University nor of the Laboratory may be used
! 19: * to endorse or promote products derived from this software without
! 20: * specific prior written permission.
! 21: *
! 22: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
! 23: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
! 24: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
! 25: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
! 26: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
! 27: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
! 28: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
! 29: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
! 30: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
! 31: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
! 32: * SUCH DAMAGE.
! 33: *
! 34: * @(#) $Header: /tcpdump/master/libpcap/pcap/pcap.h,v 1.4.2.11 2008-10-06 15:38:39 gianluca Exp $ (LBL)
! 35: */
! 36:
! 37: #ifndef lib_pcap_pcap_h
! 38: #define lib_pcap_pcap_h
! 39:
! 40: #if defined(WIN32)
! 41: #include <pcap-stdinc.h>
! 42: #elif defined(MSDOS)
! 43: #include <sys/types.h>
! 44: #include <sys/socket.h> /* u_int, u_char etc. */
! 45: #else /* UN*X */
! 46: #include <sys/types.h>
! 47: #include <sys/time.h>
! 48: #endif /* WIN32/MSDOS/UN*X */
! 49:
! 50: #ifndef PCAP_DONT_INCLUDE_PCAP_BPF_H
! 51: #include <pcap/bpf.h>
! 52: #endif
! 53:
! 54: #include <stdio.h>
! 55:
! 56: #ifdef HAVE_REMOTE
! 57: // We have to define the SOCKET here, although it has been defined in sockutils.h
! 58: // This is to avoid the distribution of the 'sockutils.h' file around
! 59: // (for example in the WinPcap developer's pack)
! 60: #ifndef SOCKET
! 61: #ifdef WIN32
! 62: #define SOCKET unsigned int
! 63: #else
! 64: #define SOCKET int
! 65: #endif
! 66: #endif
! 67: #endif
! 68:
! 69: #ifdef __cplusplus
! 70: extern "C" {
! 71: #endif
! 72:
! 73: #define PCAP_VERSION_MAJOR 2
! 74: #define PCAP_VERSION_MINOR 4
! 75:
! 76: #define PCAP_ERRBUF_SIZE 256
! 77:
! 78: /*
! 79: * Compatibility for systems that have a bpf.h that
! 80: * predates the bpf typedefs for 64-bit support.
! 81: */
! 82: #if BPF_RELEASE - 0 < 199406
! 83: typedef int bpf_int32;
! 84: typedef u_int bpf_u_int32;
! 85: #endif
! 86:
! 87: typedef struct pcap pcap_t;
! 88: typedef struct pcap_dumper pcap_dumper_t;
! 89: typedef struct pcap_if pcap_if_t;
! 90: typedef struct pcap_addr pcap_addr_t;
! 91:
! 92: /*
! 93: * The first record in the file contains saved values for some
! 94: * of the flags used in the printout phases of tcpdump.
! 95: * Many fields here are 32 bit ints so compilers won't insert unwanted
! 96: * padding; these files need to be interchangeable across architectures.
! 97: *
! 98: * Do not change the layout of this structure, in any way (this includes
! 99: * changes that only affect the length of fields in this structure).
! 100: *
! 101: * Also, do not change the interpretation of any of the members of this
! 102: * structure, in any way (this includes using values other than
! 103: * LINKTYPE_ values, as defined in "savefile.c", in the "linktype"
! 104: * field).
! 105: *
! 106: * Instead:
! 107: *
! 108: * introduce a new structure for the new format, if the layout
! 109: * of the structure changed;
! 110: *
! 111: * send mail to "tcpdump-workers@lists.tcpdump.org", requesting
! 112: * a new magic number for your new capture file format, and, when
! 113: * you get the new magic number, put it in "savefile.c";
! 114: *
! 115: * use that magic number for save files with the changed file
! 116: * header;
! 117: *
! 118: * make the code in "savefile.c" capable of reading files with
! 119: * the old file header as well as files with the new file header
! 120: * (using the magic number to determine the header format).
! 121: *
! 122: * Then supply the changes as a patch at
! 123: *
! 124: * http://sourceforge.net/projects/libpcap/
! 125: *
! 126: * so that future versions of libpcap and programs that use it (such as
! 127: * tcpdump) will be able to read your new capture file format.
! 128: */
! 129: struct pcap_file_header {
! 130: bpf_u_int32 magic;
! 131: u_short version_major;
! 132: u_short version_minor;
! 133: bpf_int32 thiszone; /* gmt to local correction */
! 134: bpf_u_int32 sigfigs; /* accuracy of timestamps */
! 135: bpf_u_int32 snaplen; /* max length saved portion of each pkt */
! 136: bpf_u_int32 linktype; /* data link type (LINKTYPE_*) */
! 137: };
! 138:
! 139: /*
! 140: * Macros for the value returned by pcap_datalink_ext().
! 141: *
! 142: * If LT_FCS_LENGTH_PRESENT(x) is true, the LT_FCS_LENGTH(x) macro
! 143: * gives the FCS length of packets in the capture.
! 144: */
! 145: #define LT_FCS_LENGTH_PRESENT(x) ((x) & 0x04000000)
! 146: #define LT_FCS_LENGTH(x) (((x) & 0xF0000000) >> 28)
! 147: #define LT_FCS_DATALINK_EXT(x) ((((x) & 0xF) << 28) | 0x04000000)
! 148:
! 149: typedef enum {
! 150: PCAP_D_INOUT = 0,
! 151: PCAP_D_IN,
! 152: PCAP_D_OUT
! 153: } pcap_direction_t;
! 154:
! 155: /*
! 156: * Generic per-packet information, as supplied by libpcap.
! 157: *
! 158: * The time stamp can and should be a "struct timeval", regardless of
! 159: * whether your system supports 32-bit tv_sec in "struct timeval",
! 160: * 64-bit tv_sec in "struct timeval", or both if it supports both 32-bit
! 161: * and 64-bit applications. The on-disk format of savefiles uses 32-bit
! 162: * tv_sec (and tv_usec); this structure is irrelevant to that. 32-bit
! 163: * and 64-bit versions of libpcap, even if they're on the same platform,
! 164: * should supply the appropriate version of "struct timeval", even if
! 165: * that's not what the underlying packet capture mechanism supplies.
! 166: */
! 167: struct pcap_pkthdr {
! 168: struct timeval ts; /* time stamp */
! 169: bpf_u_int32 caplen; /* length of portion present */
! 170: bpf_u_int32 len; /* length this packet (off wire) */
! 171: };
! 172:
! 173: /*
! 174: * As returned by the pcap_stats()
! 175: */
! 176: struct pcap_stat {
! 177: u_int ps_recv; /* number of packets received */
! 178: u_int ps_drop; /* number of packets dropped */
! 179: u_int ps_ifdrop; /* drops by interface XXX not yet supported */
! 180: #ifdef HAVE_REMOTE
! 181: u_int ps_capt; /* number of packets that are received by the application; please get rid off the Win32 ifdef */
! 182: u_int ps_sent; /* number of packets sent by the server on the network */
! 183: u_int ps_netdrop; /* number of packets lost on the network */
! 184: #endif /* HAVE_REMOTE */
! 185: };
! 186:
! 187: #ifdef MSDOS
! 188: /*
! 189: * As returned by the pcap_stats_ex()
! 190: */
! 191: struct pcap_stat_ex {
! 192: u_long rx_packets; /* total packets received */
! 193: u_long tx_packets; /* total packets transmitted */
! 194: u_long rx_bytes; /* total bytes received */
! 195: u_long tx_bytes; /* total bytes transmitted */
! 196: u_long rx_errors; /* bad packets received */
! 197: u_long tx_errors; /* packet transmit problems */
! 198: u_long rx_dropped; /* no space in Rx buffers */
! 199: u_long tx_dropped; /* no space available for Tx */
! 200: u_long multicast; /* multicast packets received */
! 201: u_long collisions;
! 202:
! 203: /* detailed rx_errors: */
! 204: u_long rx_length_errors;
! 205: u_long rx_over_errors; /* receiver ring buff overflow */
! 206: u_long rx_crc_errors; /* recv'd pkt with crc error */
! 207: u_long rx_frame_errors; /* recv'd frame alignment error */
! 208: u_long rx_fifo_errors; /* recv'r fifo overrun */
! 209: u_long rx_missed_errors; /* recv'r missed packet */
! 210:
! 211: /* detailed tx_errors */
! 212: u_long tx_aborted_errors;
! 213: u_long tx_carrier_errors;
! 214: u_long tx_fifo_errors;
! 215: u_long tx_heartbeat_errors;
! 216: u_long tx_window_errors;
! 217: };
! 218: #endif
! 219:
! 220: /*
! 221: * Item in a list of interfaces.
! 222: */
! 223: struct pcap_if {
! 224: struct pcap_if *next;
! 225: char *name; /* name to hand to "pcap_open_live()" */
! 226: char *description; /* textual description of interface, or NULL */
! 227: struct pcap_addr *addresses;
! 228: bpf_u_int32 flags; /* PCAP_IF_ interface flags */
! 229: };
! 230:
! 231: #define PCAP_IF_LOOPBACK 0x00000001 /* interface is loopback */
! 232:
! 233: /*
! 234: * Representation of an interface address.
! 235: */
! 236: struct pcap_addr {
! 237: struct pcap_addr *next;
! 238: struct sockaddr *addr; /* address */
! 239: struct sockaddr *netmask; /* netmask for that address */
! 240: struct sockaddr *broadaddr; /* broadcast address for that address */
! 241: struct sockaddr *dstaddr; /* P2P destination address for that address */
! 242: };
! 243:
! 244: typedef void (*pcap_handler)(u_char *, const struct pcap_pkthdr *,
! 245: const u_char *);
! 246:
! 247: /*
! 248: * Error codes for the pcap API.
! 249: * These will all be negative, so you can check for the success or
! 250: * failure of a call that returns these codes by checking for a
! 251: * negative value.
! 252: */
! 253: #define PCAP_ERROR -1 /* generic error code */
! 254: #define PCAP_ERROR_BREAK -2 /* loop terminated by pcap_breakloop */
! 255: #define PCAP_ERROR_NOT_ACTIVATED -3 /* the capture needs to be activated */
! 256: #define PCAP_ERROR_ACTIVATED -4 /* the operation can't be performed on already activated captures */
! 257: #define PCAP_ERROR_NO_SUCH_DEVICE -5 /* no such device exists */
! 258: #define PCAP_ERROR_RFMON_NOTSUP -6 /* this device doesn't support rfmon (monitor) mode */
! 259: #define PCAP_ERROR_NOT_RFMON -7 /* operation supported only in monitor mode */
! 260: #define PCAP_ERROR_PERM_DENIED -8 /* no permission to open the device */
! 261: #define PCAP_ERROR_IFACE_NOT_UP -9 /* interface isn't up */
! 262:
! 263: /*
! 264: * Warning codes for the pcap API.
! 265: * These will all be positive and non-zero, so they won't look like
! 266: * errors.
! 267: */
! 268: #define PCAP_WARNING 1 /* generic warning code */
! 269: #define PCAP_WARNING_PROMISC_NOTSUP 2 /* this device doesn't support promiscuous mode */
! 270:
! 271: char *pcap_lookupdev(char *);
! 272: int pcap_lookupnet(const char *, bpf_u_int32 *, bpf_u_int32 *, char *);
! 273:
! 274: pcap_t *pcap_create(const char *, char *);
! 275: int pcap_set_snaplen(pcap_t *, int);
! 276: int pcap_set_promisc(pcap_t *, int);
! 277: int pcap_can_set_rfmon(pcap_t *);
! 278: int pcap_set_rfmon(pcap_t *, int);
! 279: int pcap_set_timeout(pcap_t *, int);
! 280: int pcap_set_buffer_size(pcap_t *, int);
! 281: int pcap_activate(pcap_t *);
! 282:
! 283: pcap_t *pcap_open_live(const char *, int, int, int, char *);
! 284: pcap_t *pcap_open_dead(int, int);
! 285: pcap_t *pcap_open_offline(const char *, char *);
! 286: #if defined(WIN32)
! 287: pcap_t *pcap_hopen_offline(intptr_t, char *);
! 288: #if !defined(LIBPCAP_EXPORTS)
! 289: #define pcap_fopen_offline(f,b) \
! 290: pcap_hopen_offline(_get_osfhandle(_fileno(f)), b)
! 291: #else /*LIBPCAP_EXPORTS*/
! 292: static pcap_t *pcap_fopen_offline(FILE *, char *);
! 293: #endif
! 294: #else /*WIN32*/
! 295: pcap_t *pcap_fopen_offline(FILE *, char *);
! 296: #endif /*WIN32*/
! 297:
! 298: void pcap_close(pcap_t *);
! 299: int pcap_loop(pcap_t *, int, pcap_handler, u_char *);
! 300: int pcap_dispatch(pcap_t *, int, pcap_handler, u_char *);
! 301: const u_char*
! 302: pcap_next(pcap_t *, struct pcap_pkthdr *);
! 303: int pcap_next_ex(pcap_t *, struct pcap_pkthdr **, const u_char **);
! 304: void pcap_breakloop(pcap_t *);
! 305: int pcap_stats(pcap_t *, struct pcap_stat *);
! 306: int pcap_setfilter(pcap_t *, struct bpf_program *);
! 307: int pcap_setdirection(pcap_t *, pcap_direction_t);
! 308: int pcap_getnonblock(pcap_t *, char *);
! 309: int pcap_setnonblock(pcap_t *, int, char *);
! 310: int pcap_inject(pcap_t *, const void *, size_t);
! 311: int pcap_sendpacket(pcap_t *, const u_char *, int);
! 312: const char *pcap_statustostr(int);
! 313: const char *pcap_strerror(int);
! 314: char *pcap_geterr(pcap_t *);
! 315: void pcap_perror(pcap_t *, char *);
! 316: int pcap_compile(pcap_t *, struct bpf_program *, const char *, int,
! 317: bpf_u_int32);
! 318: int pcap_compile_nopcap(int, int, struct bpf_program *,
! 319: const char *, int, bpf_u_int32);
! 320: void pcap_freecode(struct bpf_program *);
! 321: int pcap_offline_filter(struct bpf_program *, const struct pcap_pkthdr *,
! 322: const u_char *);
! 323: int pcap_datalink(pcap_t *);
! 324: int pcap_datalink_ext(pcap_t *);
! 325: int pcap_list_datalinks(pcap_t *, int **);
! 326: int pcap_set_datalink(pcap_t *, int);
! 327: void pcap_free_datalinks(int *);
! 328: int pcap_datalink_name_to_val(const char *);
! 329: const char *pcap_datalink_val_to_name(int);
! 330: const char *pcap_datalink_val_to_description(int);
! 331: int pcap_snapshot(pcap_t *);
! 332: int pcap_is_swapped(pcap_t *);
! 333: int pcap_major_version(pcap_t *);
! 334: int pcap_minor_version(pcap_t *);
! 335:
! 336: /* XXX */
! 337: FILE *pcap_file(pcap_t *);
! 338: int pcap_fileno(pcap_t *);
! 339:
! 340: pcap_dumper_t *pcap_dump_open(pcap_t *, const char *);
! 341: pcap_dumper_t *pcap_dump_fopen(pcap_t *, FILE *fp);
! 342: FILE *pcap_dump_file(pcap_dumper_t *);
! 343: long pcap_dump_ftell(pcap_dumper_t *);
! 344: int pcap_dump_flush(pcap_dumper_t *);
! 345: void pcap_dump_close(pcap_dumper_t *);
! 346: void pcap_dump(u_char *, const struct pcap_pkthdr *, const u_char *);
! 347:
! 348: int pcap_findalldevs(pcap_if_t **, char *);
! 349: void pcap_freealldevs(pcap_if_t *);
! 350:
! 351: const char *pcap_lib_version(void);
! 352:
! 353: /* XXX this guy lives in the bpf tree */
! 354: u_int bpf_filter(const struct bpf_insn *, const u_char *, u_int, u_int);
! 355: int bpf_validate(const struct bpf_insn *f, int len);
! 356: char *bpf_image(const struct bpf_insn *, int);
! 357: void bpf_dump(const struct bpf_program *, int);
! 358:
! 359: #if defined(WIN32)
! 360:
! 361: /*
! 362: * Win32 definitions
! 363: */
! 364:
! 365: int pcap_setbuff(pcap_t *p, int dim);
! 366: int pcap_setmode(pcap_t *p, int mode);
! 367: int pcap_setmintocopy(pcap_t *p, int size);
! 368:
! 369: #ifdef WPCAP
! 370: /* Include file with the wpcap-specific extensions */
! 371: #include <Win32-Extensions.h>
! 372: #endif /* WPCAP */
! 373:
! 374: #define MODE_CAPT 0
! 375: #define MODE_STAT 1
! 376: #define MODE_MON 2
! 377:
! 378: #elif defined(MSDOS)
! 379:
! 380: /*
! 381: * MS-DOS definitions
! 382: */
! 383:
! 384: int pcap_stats_ex (pcap_t *, struct pcap_stat_ex *);
! 385: void pcap_set_wait (pcap_t *p, void (*yield)(void), int wait);
! 386: u_long pcap_mac_packets (void);
! 387:
! 388: #else /* UN*X */
! 389:
! 390: /*
! 391: * UN*X definitions
! 392: */
! 393:
! 394: int pcap_get_selectable_fd(pcap_t *);
! 395:
! 396: #endif /* WIN32/MSDOS/UN*X */
! 397:
! 398: #ifdef HAVE_REMOTE
! 399: /* Includes most of the public stuff that is needed for the remote capture */
! 400: #include <remote-ext.h>
! 401: #endif /* HAVE_REMOTE */
! 402:
! 403: #ifdef __cplusplus
! 404: }
! 405: #endif
! 406:
! 407: #endif
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