Imported Upstream version 1.3.0upstream/1.3.0

1 files changed, 462 insertions, 0 deletions

diff --git a/pcap/pcap.h b/pcap/pcap.h
new file mode 100644
index 0000000..a02b359
--- /dev/null
+++ b/pcap/pcap.h
@@ -0,0 +1,462 @@
+/* -*- 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.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the Computer Systems
+ *	Engineering Group at Lawrence Berkeley Laboratory.
+ * 4. Neither the name of the University nor of the Laboratory may be used
+ *    to endorse or promote products derived from this software without
+ *    specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * 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/pcap.h,v 1.15 2008-10-06 15:27:32 gianluca Exp $ (LBL)
+ */
+
+#ifndef lib_pcap_pcap_h
+#define lib_pcap_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
+
+/*
+ * Version number of the current version of the pcap file format.
+ *
+ * NOTE: this is *NOT* the version number of the libpcap library.
+ * To fetch the version information for the version of libpcap
+ * you're using, use pcap_lib_version().
+ */
+#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;
+ *
+ *	send mail to "tcpdump-workers@lists.tcpdump.org", requesting
+ *	a new magic number for your new capture file format, and, when
+ *	you get the new magic number, put it in "savefile.c";
+ *
+ *	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).
+ *
+ * Then supply the changes as a patch at
+ *
+ *	http://sourceforge.net/projects/libpcap/
+ *
+ * so that future 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_*) */
+};
+
+/*
+ * Macros for the value returned by pcap_datalink_ext().
+ * 
+ * If LT_FCS_LENGTH_PRESENT(x) is true, the LT_FCS_LENGTH(x) macro
+ * gives the FCS length of packets in the capture.
+ */
+#define LT_FCS_LENGTH_PRESENT(x)	((x) & 0x04000000)
+#define LT_FCS_LENGTH(x)		(((x) & 0xF0000000) >> 28)
+#define LT_FCS_DATALINK_EXT(x)		((((x) & 0xF) << 28) | 0x04000000)
+
+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 -- only supported on some platforms */
+#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 *);
+
+/*
+ * Error codes for the pcap API.
+ * These will all be negative, so you can check for the success or
+ * failure of a call that returns these codes by checking for a
+ * negative value.
+ */
+#define PCAP_ERROR			-1	/* generic error code */
+#define PCAP_ERROR_BREAK		-2	/* loop terminated by pcap_breakloop */
+#define PCAP_ERROR_NOT_ACTIVATED	-3	/* the capture needs to be activated */
+#define PCAP_ERROR_ACTIVATED		-4	/* the operation can't be performed on already activated captures */
+#define PCAP_ERROR_NO_SUCH_DEVICE	-5	/* no such device exists */
+#define PCAP_ERROR_RFMON_NOTSUP		-6	/* this device doesn't support rfmon (monitor) mode */
+#define PCAP_ERROR_NOT_RFMON		-7	/* operation supported only in monitor mode */
+#define PCAP_ERROR_PERM_DENIED		-8	/* no permission to open the device */
+#define PCAP_ERROR_IFACE_NOT_UP		-9	/* interface isn't up */
+#define PCAP_ERROR_CANTSET_TSTAMP_TYPE	-10	/* this device doesn't support setting the time stamp type */
+#define PCAP_ERROR_PROMISC_PERM_DENIED	-11	/* you don't have permission to capture in promiscuous mode */
+
+/*
+ * Warning codes for the pcap API.
+ * These will all be positive and non-zero, so they won't look like
+ * errors.
+ */
+#define PCAP_WARNING			1	/* generic warning code */
+#define PCAP_WARNING_PROMISC_NOTSUP	2	/* this device doesn't support promiscuous mode */
+#define PCAP_WARNING_TSTAMP_TYPE_NOTSUP	3	/* the requested time stamp type is not supported */
+
+/*
+ * Value to pass to pcap_compile() as the netmask if you don't know what
+ * the netmask is.
+ */
+#define PCAP_NETMASK_UNKNOWN	0xffffffff
+
+char	*pcap_lookupdev(char *);
+int	pcap_lookupnet(const char *, bpf_u_int32 *, bpf_u_int32 *, char *);
+
+pcap_t	*pcap_create(const char *, char *);
+int	pcap_set_snaplen(pcap_t *, int);
+int	pcap_set_promisc(pcap_t *, int);
+int	pcap_can_set_rfmon(pcap_t *);
+int	pcap_set_rfmon(pcap_t *, int);
+int	pcap_set_timeout(pcap_t *, int);
+int	pcap_set_tstamp_type(pcap_t *, int);
+int	pcap_set_buffer_size(pcap_t *, int);
+int	pcap_activate(pcap_t *);
+
+int	pcap_list_tstamp_types(pcap_t *, int **);
+void	pcap_free_tstamp_types(int *);
+int	pcap_tstamp_type_name_to_val(const char *);
+const char *pcap_tstamp_type_val_to_name(int);
+const char *pcap_tstamp_type_val_to_description(int);
+
+/*
+ * Time stamp types.
+ * Not all systems and interfaces will necessarily support all of these.
+ *
+ * A system that supports PCAP_TSTAMP_HOST is offering time stamps
+ * provided by the host machine, rather than by the capture device,
+ * but not committing to any characteristics of the time stamp;
+ * it will not offer any of the PCAP_TSTAMP_HOST_ subtypes.
+ *
+ * PCAP_TSTAMP_HOST_LOWPREC is a time stamp, provided by the host machine,
+ * that's low-precision but relatively cheap to fetch; it's normally done
+ * using the system clock, so it's normally synchronized with times you'd
+ * fetch from system calls.
+ *
+ * PCAP_TSTAMP_HOST_HIPREC is a time stamp, provided by the host machine,
+ * that's high-precision; it might be more expensive to fetch.  It might
+ * or might not be synchronized with the system clock, and might have
+ * problems with time stamps for packets received on different CPUs,
+ * depending on the platform.
+ *
+ * PCAP_TSTAMP_ADAPTER is a high-precision time stamp supplied by the
+ * capture device; it's synchronized with the system clock.
+ *
+ * PCAP_TSTAMP_ADAPTER_UNSYNCED is a high-precision time stamp supplied by
+ * the capture device; it's not synchronized with the system clock.
+ *
+ * Note that time stamps synchronized with the system clock can go
+ * backwards, as the system clock can go backwards.  If a clock is
+ * not in sync with the system clock, that could be because the
+ * system clock isn't keeping accurate time, because the other
+ * clock isn't keeping accurate time, or both.
+ *
+ * Note that host-provided time stamps generally correspond to the
+ * time when the time-stamping code sees the packet; this could
+ * be some unknown amount of time after the first or last bit of
+ * the packet is received by the network adapter, due to batching
+ * of interrupts for packet arrival, queueing delays, etc..
+ */
+#define PCAP_TSTAMP_HOST		0	/* host-provided, unknown characteristics */
+#define PCAP_TSTAMP_HOST_LOWPREC	1	/* host-provided, low precision */
+#define PCAP_TSTAMP_HOST_HIPREC		2	/* host-provided, high precision */
+#define PCAP_TSTAMP_ADAPTER		3	/* device-provided, synced with the system clock */
+#define PCAP_TSTAMP_ADAPTER_UNSYNCED	4	/* device-provided, not synced with the system clock */
+
+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 *);
+#if defined(WIN32)
+pcap_t  *pcap_hopen_offline(intptr_t, char *);
+#if !defined(LIBPCAP_EXPORTS)
+#define pcap_fopen_offline(f,b) \
+	pcap_hopen_offline(_get_osfhandle(_fileno(f)), b)
+#else /*LIBPCAP_EXPORTS*/
+static pcap_t *pcap_fopen_offline(FILE *, char *);
+#endif
+#else /*WIN32*/
+pcap_t	*pcap_fopen_offline(FILE *, char *);
+#endif /*WIN32*/
+
+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 *);
+int	pcap_inject(pcap_t *, const void *, size_t);
+int	pcap_sendpacket(pcap_t *, const u_char *, int);
+const char *pcap_statustostr(int);
+const char *pcap_strerror(int);
+char	*pcap_geterr(pcap_t *);
+void	pcap_perror(pcap_t *, char *);
+int	pcap_compile(pcap_t *, struct bpf_program *, const char *, int,
+	    bpf_u_int32);
+int	pcap_compile_nopcap(int, int, struct bpf_program *,
+	    const char *, int, bpf_u_int32);
+void	pcap_freecode(struct bpf_program *);
+int	pcap_offline_filter(struct bpf_program *, const struct pcap_pkthdr *,
+	    const u_char *);
+int	pcap_datalink(pcap_t *);
+int	pcap_datalink_ext(pcap_t *);
+int	pcap_list_datalinks(pcap_t *, int **);
+int	pcap_set_datalink(pcap_t *, int);
+void	pcap_free_datalinks(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);
+
+/*
+ * On at least some versions of NetBSD, we don't want to declare
+ * bpf_filter() here, as it's also be declared in <net/bpf.h>, with a
+ * different signature, but, on other BSD-flavored UN*Xes, it's not
+ * declared in <net/bpf.h>, so we *do* want to declare it here, so it's
+ * declared when we build pcap-bpf.c.
+ */
+#ifndef __NetBSD__
+u_int	bpf_filter(const struct bpf_insn *, const u_char *, u_int, u_int);
+#endif
+int	bpf_validate(const struct bpf_insn *f, int len);
+char	*bpf_image(const struct bpf_insn *, int);
+void	bpf_dump(const struct bpf_program *, int);
+
+#if defined(WIN32)
+
+/*
+ * Win32 definitions
+ */
+
+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 /* lib_pcap_pcap_h */