-/* -*- Mode: c; tab-width: 8; indent-tabs-mode: 1; c-basic-offset: 8; -*- */
/*
* Copyright (c) 1993, 1994, 1995, 1996, 1997
* The Regents of the University of California. All rights reserved.
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
- *
- * @(#) $Header: /tcpdump/master/libpcap/pcap.h,v 1.58 2006-02-09 22:26:12 guy Exp $ (LBL)
*/
-#ifndef lib_pcap_h
-#define lib_pcap_h
-
-#if defined(WIN32)
- #include <pcap-stdinc.h>
-#elif defined(MSDOS)
- #include <sys/types.h>
- #include <sys/socket.h> /* u_int, u_char etc. */
-#else /* UN*X */
- #include <sys/types.h>
- #include <sys/time.h>
-#endif /* WIN32/MSDOS/UN*X */
-
-#ifndef PCAP_DONT_INCLUDE_PCAP_BPF_H
-#include <pcap-bpf.h>
-#endif
-
-#include <stdio.h>
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-#define PCAP_VERSION_MAJOR 2
-#define PCAP_VERSION_MINOR 4
-
-#define PCAP_ERRBUF_SIZE 256
-
/*
- * Compatibility for systems that have a bpf.h that
- * predates the bpf typedefs for 64-bit support.
- */
-#if BPF_RELEASE - 0 < 199406
-typedef int bpf_int32;
-typedef u_int bpf_u_int32;
-#endif
-
-typedef struct pcap pcap_t;
-typedef struct pcap_dumper pcap_dumper_t;
-typedef struct pcap_if pcap_if_t;
-typedef struct pcap_addr pcap_addr_t;
-
-/*
- * The first record in the file contains saved values for some
- * of the flags used in the printout phases of tcpdump.
- * Many fields here are 32 bit ints so compilers won't insert unwanted
- * padding; these files need to be interchangeable across architectures.
- *
- * Do not change the layout of this structure, in any way (this includes
- * changes that only affect the length of fields in this structure).
- *
- * Also, do not change the interpretation of any of the members of this
- * structure, in any way (this includes using values other than
- * LINKTYPE_ values, as defined in "savefile.c", in the "linktype"
- * field).
- *
- * Instead:
- *
- * introduce a new structure for the new format, if the layout
- * of the structure changed;
- *
- * magic number for your new capture file format, and, when
- * you get the new magic number, put it in "savefile.c";
+ * For backwards compatibility.
*
- * use that magic number for save files with the changed file
- * header;
- *
- * make the code in "savefile.c" capable of reading files with
- * the old file header as well as files with the new file header
- * (using the magic number to determine the header format).
- *
- * versions of libpcap and programs that use it (such as tcpdump) will
- * be able to read your new capture file format.
- */
-struct pcap_file_header {
- bpf_u_int32 magic;
- u_short version_major;
- u_short version_minor;
- bpf_int32 thiszone; /* gmt to local correction */
- bpf_u_int32 sigfigs; /* accuracy of timestamps */
- bpf_u_int32 snaplen; /* max length saved portion of each pkt */
- bpf_u_int32 linktype; /* data link type (LINKTYPE_*) */
-};
-
-typedef enum {
- PCAP_D_INOUT = 0,
- PCAP_D_IN,
- PCAP_D_OUT
-} pcap_direction_t;
-
-/*
- * Generic per-packet information, as supplied by libpcap.
- *
- * The time stamp can and should be a "struct timeval", regardless of
- * whether your system supports 32-bit tv_sec in "struct timeval",
- * 64-bit tv_sec in "struct timeval", or both if it supports both 32-bit
- * and 64-bit applications. The on-disk format of savefiles uses 32-bit
- * tv_sec (and tv_usec); this structure is irrelevant to that. 32-bit
- * and 64-bit versions of libpcap, even if they're on the same platform,
- * should supply the appropriate version of "struct timeval", even if
- * that's not what the underlying packet capture mechanism supplies.
- */
-struct pcap_pkthdr {
- struct timeval ts; /* time stamp */
- bpf_u_int32 caplen; /* length of portion present */
- bpf_u_int32 len; /* length this packet (off wire) */
-};
-
-/*
- * As returned by the pcap_stats()
- */
-struct pcap_stat {
- u_int ps_recv; /* number of packets received */
- u_int ps_drop; /* number of packets dropped */
- u_int ps_ifdrop; /* drops by interface XXX not yet supported */
-#ifdef WIN32
- u_int bs_capt; /* number of packets that reach the application */
-#endif /* WIN32 */
-};
-
-#ifdef MSDOS
-/*
- * As returned by the pcap_stats_ex()
- */
-struct pcap_stat_ex {
- u_long rx_packets; /* total packets received */
- u_long tx_packets; /* total packets transmitted */
- u_long rx_bytes; /* total bytes received */
- u_long tx_bytes; /* total bytes transmitted */
- u_long rx_errors; /* bad packets received */
- u_long tx_errors; /* packet transmit problems */
- u_long rx_dropped; /* no space in Rx buffers */
- u_long tx_dropped; /* no space available for Tx */
- u_long multicast; /* multicast packets received */
- u_long collisions;
-
- /* detailed rx_errors: */
- u_long rx_length_errors;
- u_long rx_over_errors; /* receiver ring buff overflow */
- u_long rx_crc_errors; /* recv'd pkt with crc error */
- u_long rx_frame_errors; /* recv'd frame alignment error */
- u_long rx_fifo_errors; /* recv'r fifo overrun */
- u_long rx_missed_errors; /* recv'r missed packet */
-
- /* detailed tx_errors */
- u_long tx_aborted_errors;
- u_long tx_carrier_errors;
- u_long tx_fifo_errors;
- u_long tx_heartbeat_errors;
- u_long tx_window_errors;
- };
-#endif
-
-/*
- * Item in a list of interfaces.
- */
-struct pcap_if {
- struct pcap_if *next;
- char *name; /* name to hand to "pcap_open_live()" */
- char *description; /* textual description of interface, or NULL */
- struct pcap_addr *addresses;
- bpf_u_int32 flags; /* PCAP_IF_ interface flags */
-};
-
-#define PCAP_IF_LOOPBACK 0x00000001 /* interface is loopback */
-
-/*
- * Representation of an interface address.
- */
-struct pcap_addr {
- struct pcap_addr *next;
- struct sockaddr *addr; /* address */
- struct sockaddr *netmask; /* netmask for that address */
- struct sockaddr *broadaddr; /* broadcast address for that address */
- struct sockaddr *dstaddr; /* P2P destination address for that address */
-};
-
-typedef void (*pcap_handler)(u_char *, const struct pcap_pkthdr *,
- const u_char *);
-
-char *pcap_lookupdev(char *);
-int pcap_lookupnet(const char *, bpf_u_int32 *, bpf_u_int32 *, char *);
-pcap_t *pcap_open_live(const char *, int, int, int, char *);
-pcap_t *pcap_open_dead(int, int);
-pcap_t *pcap_open_offline(const char *, char *);
-pcap_t *pcap_fopen_offline(FILE *, char *);
-void pcap_close(pcap_t *);
-int pcap_loop(pcap_t *, int, pcap_handler, u_char *);
-int pcap_dispatch(pcap_t *, int, pcap_handler, u_char *);
-const u_char*
- pcap_next(pcap_t *, struct pcap_pkthdr *);
-int pcap_next_ex(pcap_t *, struct pcap_pkthdr **, const u_char **);
-void pcap_breakloop(pcap_t *);
-int pcap_stats(pcap_t *, struct pcap_stat *);
-int pcap_setfilter(pcap_t *, struct bpf_program *);
-int pcap_setdirection(pcap_t *, pcap_direction_t);
-int pcap_getnonblock(pcap_t *, char *);
-int pcap_setnonblock(pcap_t *, int, char *);
-void pcap_perror(pcap_t *, char *);
-int pcap_inject(pcap_t *, const void *, size_t);
-int pcap_sendpacket(pcap_t *, const u_char *, int);
-char *pcap_strerror(int);
-char *pcap_geterr(pcap_t *);
-int pcap_compile(pcap_t *, struct bpf_program *, char *, int,
- bpf_u_int32);
-int pcap_compile_nopcap(int, int, struct bpf_program *,
- char *, int, bpf_u_int32);
-void pcap_freecode(struct bpf_program *);
-int pcap_datalink(pcap_t *);
-int pcap_list_datalinks(pcap_t *, int **);
-int pcap_set_datalink(pcap_t *, int);
-int pcap_datalink_name_to_val(const char *);
-const char *pcap_datalink_val_to_name(int);
-const char *pcap_datalink_val_to_description(int);
-int pcap_snapshot(pcap_t *);
-int pcap_is_swapped(pcap_t *);
-int pcap_major_version(pcap_t *);
-int pcap_minor_version(pcap_t *);
-
-/* XXX */
-FILE *pcap_file(pcap_t *);
-int pcap_fileno(pcap_t *);
-
-pcap_dumper_t *pcap_dump_open(pcap_t *, const char *);
-pcap_dumper_t *pcap_dump_fopen(pcap_t *, FILE *fp);
-FILE *pcap_dump_file(pcap_dumper_t *);
-long pcap_dump_ftell(pcap_dumper_t *);
-int pcap_dump_flush(pcap_dumper_t *);
-void pcap_dump_close(pcap_dumper_t *);
-void pcap_dump(u_char *, const struct pcap_pkthdr *, const u_char *);
-
-int pcap_findalldevs(pcap_if_t **, char *);
-void pcap_freealldevs(pcap_if_t *);
-
-const char *pcap_lib_version(void);
-
-/* XXX this guy lives in the bpf tree */
-u_int bpf_filter(struct bpf_insn *, u_char *, u_int, u_int);
-int bpf_validate(struct bpf_insn *f, int len);
-char *bpf_image(struct bpf_insn *, int);
-void bpf_dump(struct bpf_program *, int);
-
-#if defined(WIN32)
-
-/*
- * Win32 definitions
+ * Note to OS vendors: do NOT get rid of this file! Many applications
+ * expect to be able to include <pcap.h>, and at least some of them
+ * go through contortions in their configure scripts to try to detect
+ * OSes that have "helpfully" moved pcap.h to <pcap/pcap.h> without
+ * leaving behind a <pcap.h> file.
*/
-
-int pcap_setbuff(pcap_t *p, int dim);
-int pcap_setmode(pcap_t *p, int mode);
-int pcap_setmintocopy(pcap_t *p, int size);
-
-#ifdef WPCAP
-/* Include file with the wpcap-specific extensions */
-#include <Win32-Extensions.h>
-#endif /* WPCAP */
-
-#define MODE_CAPT 0
-#define MODE_STAT 1
-#define MODE_MON 2
-
-#elif defined(MSDOS)
-
-/*
- * MS-DOS definitions
- */
-
-int pcap_stats_ex (pcap_t *, struct pcap_stat_ex *);
-void pcap_set_wait (pcap_t *p, void (*yield)(void), int wait);
-u_long pcap_mac_packets (void);
-
-#else /* UN*X */
-
-/*
- * UN*X definitions
- */
-
-int pcap_get_selectable_fd(pcap_t *);
-
-#endif /* WIN32/MSDOS/UN*X */
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif
+#include <pcap/pcap.h>
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