- * 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
projects / libpcap / blobdiff