#-------------------------------------------------------------------------------
# Name: winpcapy.py
#
# Author: Massimo Ciani
#
# Created: 01/09/2009
# Copyright: (c) Massimo Ciani 2009
#
#-------------------------------------------------------------------------------
from ctypes import *
from ctypes.util import find_library
import sys
WIN32=False
HAVE_REMOTE=False
if sys.platform.startswith('win'):
WIN32=True
HAVE_REMOTE=True
if WIN32:
SOCKET = c_uint
_lib=CDLL('wpcap.dll')
else:
SOCKET = c_int
_lib_name = find_library('pcap')
if not _lib_name:
raise OSError("Cannot fine libpcap.so library")
_lib=CDLL(_lib_name)
##
## misc
##
u_short = c_ushort
bpf_int32 = c_int
u_int = c_int
bpf_u_int32 = u_int
pcap = c_void_p
pcap_dumper = c_void_p
u_char = c_ubyte
FILE = c_void_p
STRING = c_char_p
class bpf_insn(Structure):
_fields_=[("code",c_ushort),
("jt",c_ubyte),
("jf",c_ubyte),
("k",bpf_u_int32)]
class bpf_program(Structure):
pass
bpf_program._fields_ = [('bf_len', u_int),
('bf_insns', POINTER(bpf_insn))]
class bpf_version(Structure):
_fields_=[("bv_major",c_ushort),
("bv_minor",c_ushort)]
class timeval(Structure):
pass
timeval._fields_ = [('tv_sec', c_long),
('tv_usec', c_long)]
## sockaddr is used by pcap_addr.
## For exapmle if sa_family==socket.AF_INET then we need cast
## with sockaddr_in
if WIN32:
class sockaddr(Structure):
_fields_ = [("sa_family", c_ushort),
("sa_data",c_ubyte * 14)]
class sockaddr_in(Structure):
_fields_ = [("sin_family", c_ushort),
("sin_port", c_uint16),
("sin_addr", 4 * c_ubyte)]
class sockaddr_in6(Structure):
_fields_ = [("sin6_family", c_ushort),
("sin6_port", c_uint16),
("sin6_flowinfo", c_uint32),
("sin6_addr", 16 * c_ubyte),
("sin6_scope", c_uint32)]
else:
class sockaddr(Structure):
_fields_ = [("sa_len", c_ubyte),
("sa_family",c_ubyte),
("sa_data",c_ubyte * 14)]
class sockaddr_in(Structure):
_fields_ = [("sin_len", c_ubyte),
("sin_family", c_ubyte),
("sin_port", c_uint16),
("sin_addr", 4 * c_ubyte),
("sin_zero", 8 * c_char)]
class sockaddr_in6(Structure):
_fields_ = [("sin6_len", c_ubyte),
("sin6_family", c_ubyte),
("sin6_port", c_uint16),
("sin6_flowinfo", c_uint32),
("sin6_addr", 16 * c_ubyte),
("sin6_scope", c_uint32)]
class sockaddr_dl(Structure):
_fields_ = [("sdl_len", c_ubyte),
("sdl_family", c_ubyte),
("sdl_index", c_ushort),
("sdl_type", c_ubyte),
("sdl_nlen", c_ubyte),
("sdl_alen", c_ubyte),
("sdl_slen", c_ubyte),
("sdl_data", 46 * c_ubyte)]
##
## END misc
##
##
## Data Structures
##
## struct pcap_file_header
## Header of a libpcap dump file.
class pcap_file_header(Structure):
_fields_ = [('magic', bpf_u_int32),
('version_major', u_short),
('version_minor', u_short),
('thiszone', bpf_int32),
('sigfigs', bpf_u_int32),
('snaplen', bpf_u_int32),
('linktype', bpf_u_int32)]
## struct pcap_pkthdr
## Header of a packet in the dump file.
class pcap_pkthdr(Structure):
_fields_ = [('ts', timeval),
('caplen', bpf_u_int32),
('len', bpf_u_int32)]
## struct pcap_stat
## Structure that keeps statistical values on an interface.
class pcap_stat(Structure):
pass
### _fields_ list in Structure is final.
### We need a temp list
_tmpList=[]
_tmpList.append(("ps_recv",c_uint))
_tmpList.append(("ps_drop",c_uint))
_tmpList.append(("ps_ifdrop",c_uint))
if HAVE_REMOTE:
_tmpList.append(("ps_capt",c_uint))
_tmpList.append(("ps_sent",c_uint))
_tmpList.append(("ps_netdrop",c_uint))
pcap_stat._fields_=_tmpList
## struct pcap_addr
## Representation of an interface address, used by pcap_findalldevs().
class pcap_addr(Structure):
pass
pcap_addr._fields_ = [('next', POINTER(pcap_addr)),
('addr', POINTER(sockaddr)),
('netmask', POINTER(sockaddr)),
('broadaddr', POINTER(sockaddr)),
('dstaddr', POINTER(sockaddr))]
## struct pcap_if
## Item in a list of interfaces, used by pcap_findalldevs().
class pcap_if(Structure):
pass
pcap_if._fields_ = [('next', POINTER(pcap_if)),
('name', STRING),
('description', STRING),
('addresses', POINTER(pcap_addr)),
('flags', bpf_u_int32)]
##
## END Data Structures
##
##
## Defines
##
##define PCAP_VERSION_MAJOR 2
# Major libpcap dump file version.
PCAP_VERSION_MAJOR = 2
##define PCAP_VERSION_MINOR 4
# Minor libpcap dump file version.
PCAP_VERSION_MINOR = 4
##define PCAP_ERRBUF_SIZE 256
# Size to use when allocating the buffer that contains the libpcap errors.
PCAP_ERRBUF_SIZE = 256
##define PCAP_IF_LOOPBACK 0x00000001
# interface is loopback
PCAP_IF_LOOPBACK = 1
##define MODE_CAPT 0
# Capture mode, to be used when calling pcap_setmode().
MODE_CAPT = 0
##define MODE_STAT 1
# Statistical mode, to be used when calling pcap_setmode().
MODE_STAT = 1
##
## END Defines
##
##
## Typedefs
##
#typedef int bpf_int32 (already defined)
# 32-bit integer
#typedef u_int bpf_u_int32 (already defined)
# 32-bit unsigned integer
#typedef struct pcap pcap_t
# Descriptor of an open capture instance. This structure is opaque to the user, that handles its content through the functions provided by wpcap.dll.
pcap_t = pcap
#typedef struct pcap_dumper pcap_dumper_t
# libpcap savefile descriptor.
pcap_dumper_t = pcap_dumper
#typedef struct pcap_if pcap_if_t
# Item in a list of interfaces, see pcap_if.
pcap_if_t = pcap_if
#typedef struct pcap_addr pcap_addr_t
# Representation of an interface address, see pcap_addr.
pcap_addr_t = pcap_addr
##
## END Typedefs
##
# values for enumeration 'pcap_direction_t'
#pcap_direction_t = c_int # enum
##
## Unix-compatible Functions
## These functions are part of the libpcap library, and therefore work both on Windows and on Linux.
##
#typedef void(* pcap_handler )(u_char *user, const struct pcap_pkthdr *pkt_header, const u_char *pkt_data)
# Prototype of the callback function that receives the packets.
## This one is defined from programmer
pcap_handler=CFUNCTYPE(None,POINTER(c_ubyte),POINTER(pcap_pkthdr),POINTER(c_ubyte))
#pcap_t * pcap_open_live (const char *device, int snaplen, int promisc, int to_ms, char *ebuf)
# Open a live capture from the network.
pcap_open_live = _lib.pcap_open_live
pcap_open_live.restype = POINTER(pcap_t)
pcap_open_live.argtypes = [STRING, c_int, c_int, c_int, STRING]
#pcap_t * pcap_open_dead (int linktype, int snaplen)
# Create a pcap_t structure without starting a capture.
pcap_open_dead = _lib.pcap_open_dead
pcap_open_dead.restype = POINTER(pcap_t)
pcap_open_dead.argtypes = [c_int, c_int]
#pcap_t * pcap_open_offline (const char *fname, char *errbuf)
# Open a savefile in the tcpdump/libpcap format to read packets.
pcap_open_offline = _lib.pcap_open_offline
pcap_open_offline.restype = POINTER(pcap_t)
pcap_open_offline.argtypes = [STRING, STRING]
#pcap_dumper_t * pcap_dump_open (pcap_t *p, const char *fname)
# Open a file to write packets.
pcap_dump_open = _lib.pcap_dump_open
pcap_dump_open.restype = POINTER(pcap_dumper_t)
pcap_dump_open.argtypes = [POINTER(pcap_t), STRING]
#int pcap_setnonblock (pcap_t *p, int nonblock, char *errbuf)
# Switch between blocking and nonblocking mode.
pcap_setnonblock = _lib.pcap_setnonblock
pcap_setnonblock.restype = c_int
pcap_setnonblock.argtypes = [POINTER(pcap_t), c_int, STRING]
#int pcap_getnonblock (pcap_t *p, char *errbuf)
# Get the "non-blocking" state of an interface.
pcap_getnonblock = _lib.pcap_getnonblock
pcap_getnonblock.restype = c_int
pcap_getnonblock.argtypes = [POINTER(pcap_t), STRING]
#int pcap_findalldevs (pcap_if_t **alldevsp, char *errbuf)
# Construct a list of network devices that can be opened with pcap_open_live().
pcap_findalldevs = _lib.pcap_findalldevs
pcap_findalldevs.restype = c_int
pcap_findalldevs.argtypes = [POINTER(POINTER(pcap_if_t)), STRING]
#void pcap_freealldevs (pcap_if_t *alldevsp)
# Free an interface list returned by pcap_findalldevs().
pcap_freealldevs = _lib.pcap_freealldevs
pcap_freealldevs.restype = None
pcap_freealldevs.argtypes = [POINTER(pcap_if_t)]
#char * pcap_lookupdev (char *errbuf)
# Return the first valid device in the system.
pcap_lookupdev = _lib.pcap_lookupdev
pcap_lookupdev.restype = STRING
pcap_lookupdev.argtypes = [STRING]
#int pcap_lookupnet (const char *device, bpf_u_int32 *netp, bpf_u_int32 *maskp, char *errbuf)
# Return the subnet and netmask of an interface.
pcap_lookupnet = _lib.pcap_lookupnet
pcap_lookupnet.restype = c_int
pcap_lookupnet.argtypes = [STRING, POINTER(bpf_u_int32), POINTER(bpf_u_int32), STRING]
#int pcap_dispatch (pcap_t *p, int cnt, pcap_handler callback, u_char *user)
# Collect a group of packets.
pcap_dispatch = _lib.pcap_dispatch
pcap_dispatch.restype = c_int
pcap_dispatch.argtypes = [POINTER(pcap_t), c_int, pcap_handler, POINTER(u_char)]
#int pcap_loop (pcap_t *p, int cnt, pcap_handler callback, u_char *user)
# Collect a group of packets.
pcap_loop = _lib.pcap_loop
pcap_loop.restype = c_int
pcap_loop.argtypes = [POINTER(pcap_t), c_int, pcap_handler, POINTER(u_char)]
#u_char * pcap_next (pcap_t *p, struct pcap_pkthdr *h)
# Return the next available packet.
pcap_next = _lib.pcap_next
pcap_next.restype = POINTER(u_char)
pcap_next.argtypes = [POINTER(pcap_t), POINTER(pcap_pkthdr)]
#int pcap_next_ex (pcap_t *p, struct pcap_pkthdr **pkt_header, const u_char **pkt_data)
# Read a packet from an interface or from an offline capture.
pcap_next_ex = _lib.pcap_next_ex
pcap_next_ex.restype = c_int
pcap_next_ex.argtypes = [POINTER(pcap_t), POINTER(POINTER(pcap_pkthdr)), POINTER(POINTER(u_char))]
#void pcap_breakloop (pcap_t *)
# set a flag that will force pcap_dispatch() or pcap_loop() to return rather than looping.
pcap_breakloop = _lib.pcap_breakloop
pcap_breakloop.restype = None
pcap_breakloop.argtypes = [POINTER(pcap_t)]
#int pcap_sendpacket (pcap_t *p, u_char *buf, int size)
# Send a raw packet.
pcap_sendpacket = _lib.pcap_sendpacket
pcap_sendpacket.restype = c_int
#pcap_sendpacket.argtypes = [POINTER(pcap_t), POINTER(u_char), c_int]
pcap_sendpacket.argtypes = [POINTER(pcap_t), c_void_p, c_int]
#void pcap_dump (u_char *user, const struct pcap_pkthdr *h, const u_char *sp)
# Save a packet to disk.
pcap_dump = _lib.pcap_dump
pcap_dump.restype = None
pcap_dump.argtypes = [POINTER(pcap_dumper_t), POINTER(pcap_pkthdr), POINTER(u_char)]
#long pcap_dump_ftell (pcap_dumper_t *)
# Return the file position for a "savefile".
pcap_dump_ftell = _lib.pcap_dump_ftell
pcap_dump_ftell.restype = c_long
pcap_dump_ftell.argtypes = [POINTER(pcap_dumper_t)]
#int pcap_compile (pcap_t *p, struct bpf_program *fp, char *str, int optimize, bpf_u_int32 netmask)
# Compile a packet filter, converting an high level filtering expression (see Filtering expression syntax) in a program that can be interpreted by the kernel-level filtering engine.
pcap_compile = _lib.pcap_compile
pcap_compile.restype = c_int
pcap_compile.argtypes = [POINTER(pcap_t), POINTER(bpf_program), STRING, c_int, bpf_u_int32]
#int pcap_compile_nopcap (int snaplen_arg, int linktype_arg, struct bpf_program *program, char *buf, int optimize, bpf_u_int32 mask)
# Compile a packet filter without the need of opening an adapter. This function converts an high level filtering expression (see Filtering expression syntax) in a program that can be interpreted by the kernel-level filtering engine.
pcap_compile_nopcap = _lib.pcap_compile_nopcap
pcap_compile_nopcap.restype = c_int
pcap_compile_nopcap.argtypes = [c_int, c_int, POINTER(bpf_program), STRING, c_int, bpf_u_int32]
#int pcap_setfilter (pcap_t *p, struct bpf_program *fp)
# Associate a filter to a capture.
pcap_setfilter = _lib.pcap_setfilter
pcap_setfilter.restype = c_int
pcap_setfilter.argtypes = [POINTER(pcap_t), POINTER(bpf_program)]
#void pcap_freecode (struct bpf_program *fp)
# Free a filter.
pcap_freecode = _lib.pcap_freecode
pcap_freecode.restype = None
pcap_freecode.argtypes = [POINTER(bpf_program)]
#int pcap_datalink (pcap_t *p)
# Return the link layer of an adapter.
pcap_datalink = _lib.pcap_datalink
pcap_datalink.restype = c_int
pcap_datalink.argtypes = [POINTER(pcap_t)]
#int pcap_list_datalinks (pcap_t *p, int **dlt_buf)
# list datalinks
pcap_list_datalinks = _lib.pcap_list_datalinks
pcap_list_datalinks.restype = c_int
#pcap_list_datalinks.argtypes = [POINTER(pcap_t), POINTER(POINTER(c_int))]
#int pcap_set_datalink (pcap_t *p, int dlt)
# Set the current data link type of the pcap descriptor to the type specified by dlt. -1 is returned on failure.
pcap_set_datalink = _lib.pcap_set_datalink
pcap_set_datalink.restype = c_int
pcap_set_datalink.argtypes = [POINTER(pcap_t), c_int]
#int pcap_datalink_name_to_val (const char *name)
# Translates a data link type name, which is a DLT_ name with the DLT_ removed, to the corresponding data link type value. The translation is case-insensitive. -1 is returned on failure.
pcap_datalink_name_to_val = _lib.pcap_datalink_name_to_val
pcap_datalink_name_to_val.restype = c_int
pcap_datalink_name_to_val.argtypes = [STRING]
#const char * pcap_datalink_val_to_name (int dlt)
# Translates a data link type value to the corresponding data link type name. NULL is returned on failure.
pcap_datalink_val_to_name = _lib.pcap_datalink_val_to_name
pcap_datalink_val_to_name.restype = STRING
pcap_datalink_val_to_name.argtypes = [c_int]
#const char * pcap_datalink_val_to_description (int dlt)
# Translates a data link type value to a short description of that data link type. NULL is returned on failure.
pcap_datalink_val_to_description = _lib.pcap_datalink_val_to_description
pcap_datalink_val_to_description.restype = STRING
pcap_datalink_val_to_description.argtypes = [c_int]
#int pcap_snapshot (pcap_t *p)
# Return the dimension of the packet portion (in bytes) that is delivered to the application.
pcap_snapshot = _lib.pcap_snapshot
pcap_snapshot.restype = c_int
pcap_snapshot.argtypes = [POINTER(pcap_t)]
#int pcap_is_swapped (pcap_t *p)
# returns true if the current savefile uses a different byte order than the current system.
pcap_is_swapped = _lib.pcap_is_swapped
pcap_is_swapped.restype = c_int
pcap_is_swapped.argtypes = [POINTER(pcap_t)]
#int pcap_major_version (pcap_t *p)
# return the major version number of the pcap library used to write the savefile.
pcap_major_version = _lib.pcap_major_version
pcap_major_version.restype = c_int
pcap_major_version.argtypes = [POINTER(pcap_t)]
#int pcap_minor_version (pcap_t *p)
# return the minor version number of the pcap library used to write the savefile.
pcap_minor_version = _lib.pcap_minor_version
pcap_minor_version.restype = c_int
pcap_minor_version.argtypes = [POINTER(pcap_t)]
#FILE * pcap_file (pcap_t *p)
# Return the standard stream of an offline capture.
pcap_file=_lib.pcap_file
pcap_file.restype = FILE
pcap_file.argtypes = [POINTER(pcap_t)]
#int pcap_stats (pcap_t *p, struct pcap_stat *ps)
# Return statistics on current capture.
pcap_stats = _lib.pcap_stats
pcap_stats.restype = c_int
pcap_stats.argtypes = [POINTER(pcap_t), POINTER(pcap_stat)]
#void pcap_perror (pcap_t *p, char *prefix)
# print the text of the last pcap library error on stderr, prefixed by prefix.
pcap_perror = _lib.pcap_perror
pcap_perror.restype = None
pcap_perror.argtypes = [POINTER(pcap_t), STRING]
#char * pcap_geterr (pcap_t *p)
# return the error text pertaining to the last pcap library error.
pcap_geterr = _lib.pcap_geterr
pcap_geterr.restype = STRING
pcap_geterr.argtypes = [POINTER(pcap_t)]
#char * pcap_strerror (int error)
# Provided in case strerror() isn't available.
pcap_strerror = _lib.pcap_strerror
pcap_strerror.restype = STRING
pcap_strerror.argtypes = [c_int]
#const char * pcap_lib_version (void)
# Returns a pointer to a string giving information about the version of the libpcap library being used; note that it contains more information than just a version number.
pcap_lib_version = _lib.pcap_lib_version
pcap_lib_version.restype = STRING
pcap_lib_version.argtypes = []
#void pcap_close (pcap_t *p)
# close the files associated with p and deallocates resources.
pcap_close = _lib.pcap_close
pcap_close.restype = None
pcap_close.argtypes = [POINTER(pcap_t)]
#FILE * pcap_dump_file (pcap_dumper_t *p)
# return the standard I/O stream of the 'savefile' opened by pcap_dump_open().
pcap_dump_file=_lib.pcap_dump_file
pcap_dump_file.restype=FILE
pcap_dump_file.argtypes= [POINTER(pcap_dumper_t)]
#int pcap_dump_flush (pcap_dumper_t *p)
# Flushes the output buffer to the ``savefile,'' so that any packets written with pcap_dump() but not yet written to the ``savefile'' will be written. -1 is returned on error, 0 on success.
pcap_dump_flush = _lib.pcap_dump_flush
pcap_dump_flush.restype = c_int
pcap_dump_flush.argtypes = [POINTER(pcap_dumper_t)]
#void pcap_dump_close (pcap_dumper_t *p)
# Closes a savefile.
pcap_dump_close = _lib.pcap_dump_close
pcap_dump_close.restype = None
pcap_dump_close.argtypes = [POINTER(pcap_dumper_t)]
if not WIN32:
pcap_get_selectable_fd = _lib.pcap_get_selectable_fd
pcap_get_selectable_fd.restype = c_int
pcap_get_selectable_fd.argtypes = [POINTER(pcap_t)]
###########################################
## Windows-specific Extensions
## The functions in this section extend libpcap to offer advanced functionalities
## (like remote packet capture, packet buffer size variation or high-precision packet injection).
## Howerver, at the moment they can be used only in Windows.
###########################################
if WIN32:
HANDLE = c_void_p
##############
## Identifiers related to the new source syntax
##############
#define PCAP_SRC_FILE 2
#define PCAP_SRC_IFLOCAL 3
#define PCAP_SRC_IFREMOTE 4
#Internal representation of the type of source in use (file, remote/local interface).
PCAP_SRC_FILE = 2
PCAP_SRC_IFLOCAL = 3
PCAP_SRC_IFREMOTE = 4
##############
## Strings related to the new source syntax
##############
#define PCAP_SRC_FILE_STRING "file://"
#define PCAP_SRC_IF_STRING "rpcap://"
#String that will be used to determine the type of source in use (file, remote/local interface).
PCAP_SRC_FILE_STRING="file://"
PCAP_SRC_IF_STRING="rpcap://"
##############
## Flags defined in the pcap_open() function
##############
# define PCAP_OPENFLAG_PROMISCUOUS 1
# Defines if the adapter has to go in promiscuous mode.
PCAP_OPENFLAG_PROMISCUOUS=1
# define PCAP_OPENFLAG_DATATX_UDP 2
# Defines if the data trasfer (in case of a remote capture) has to be done with UDP protocol.
PCAP_OPENFLAG_DATATX_UDP=2
# define PCAP_OPENFLAG_NOCAPTURE_RPCAP 4
PCAP_OPENFLAG_NOCAPTURE_RPCAP=4
# Defines if the remote probe will capture its own generated traffic.
# define PCAP_OPENFLAG_NOCAPTURE_LOCAL 8
PCAP_OPENFLAG_NOCAPTURE_LOCAL = 8
# define PCAP_OPENFLAG_MAX_RESPONSIVENESS 16
# This flag configures the adapter for maximum responsiveness.
PCAP_OPENFLAG_MAX_RESPONSIVENESS=16
##############
## Sampling methods defined in the pcap_setsampling() function
##############
# define PCAP_SAMP_NOSAMP 0
# No sampling has to be done on the current capture.
PCAP_SAMP_NOSAMP=0
# define PCAP_SAMP_1_EVERY_N 1
# It defines that only 1 out of N packets must be returned to the user.
PCAP_SAMP_1_EVERY_N=1
#define PCAP_SAMP_FIRST_AFTER_N_MS 2
# It defines that we have to return 1 packet every N milliseconds.
PCAP_SAMP_FIRST_AFTER_N_MS=2
##############
## Authentication methods supported by the RPCAP protocol
##############
# define RPCAP_RMTAUTH_NULL 0
# It defines the NULL authentication.
RPCAP_RMTAUTH_NULL=0
# define RPCAP_RMTAUTH_PWD 1
# It defines the username/password authentication.
RPCAP_RMTAUTH_PWD=1
##############
## Remote struct and defines
##############
# define PCAP_BUF_SIZE 1024
# Defines the maximum buffer size in which address, port, interface names are kept.
PCAP_BUF_SIZE = 1024
# define RPCAP_HOSTLIST_SIZE 1024
# Maximum lenght of an host name (needed for the RPCAP active mode).
RPCAP_HOSTLIST_SIZE = 1024
class pcap_send_queue(Structure):
_fields_=[("maxlen",c_uint),
("len",c_uint),
("buffer",c_char_p)]
## struct pcap_rmtauth
## This structure keeps the information needed to autheticate the user on a remote machine
class pcap_rmtauth(Structure):
_fields_=[("type",c_int),
("username",c_char_p),
("password",c_char_p)]
## struct pcap_samp
## This structure defines the information related to sampling
class pcap_samp(Structure):
_fields_=[("method",c_int),
("value",c_int)]
#PAirpcapHandle pcap_get_airpcap_handle (pcap_t *p)
# Returns the AirPcap handler associated with an adapter. This handler can be used to change the wireless-related settings of the CACE Technologies AirPcap wireless capture adapters.
#bool pcap_offline_filter (struct bpf_program *prog, const struct pcap_pkthdr *header, const u_char *pkt_data)
# Returns if a given filter applies to an offline packet.
pcap_offline_filter = _lib.pcap_offline_filter
pcap_offline_filter.restype = c_bool
pcap_offline_filter.argtypes = [POINTER(bpf_program),POINTER(pcap_pkthdr),POINTER(u_char)]
#int pcap_live_dump (pcap_t *p, char *filename, int maxsize, int maxpacks)
# Save a capture to file.
pcap_live_dump = _lib.pcap_live_dump
pcap_live_dump.restype = c_int
pcap_live_dump.argtypes = [POINTER(pcap_t), POINTER(c_char), c_int,c_int]
#int pcap_live_dump_ended (pcap_t *p, int sync)
# Return the status of the kernel dump process, i.e. tells if one of the limits defined with pcap_live_dump() has been reached.
pcap_live_dump_ended = _lib.pcap_live_dump_ended
pcap_live_dump_ended.restype = c_int
pcap_live_dump_ended.argtypes = [POINTER(pcap_t), c_int]
#struct pcap_stat * pcap_stats_ex (pcap_t *p, int *pcap_stat_size)
# Return statistics on current capture.
pcap_stats_ex = _lib.pcap_stats_ex
pcap_stats_ex.restype = POINTER(pcap_stat)
pcap_stats_ex.argtypes = [POINTER(pcap_t), POINTER(c_int)]
#int pcap_setbuff (pcap_t *p, int dim)
# Set the size of the kernel buffer associated with an adapter.
pcap_setbuff = _lib.pcap_setbuff
pcap_setbuff.restype = c_int
pcap_setbuff.argtypes = [POINTER(pcap_t), c_int]
#int pcap_setmode (pcap_t *p, int mode)
# Set the working mode of the interface p to mode.
pcap_setmode = _lib.pcap_setmode
pcap_setmode.restype = c_int
pcap_setmode.argtypes = [POINTER(pcap_t), c_int]
#int pcap_setmintocopy (pcap_t *p, int size)
# Set the minumum amount of data received by the kernel in a single call.
pcap_setmintocopy = _lib.pcap_setmintocopy
pcap_setmintocopy.restype = c_int
pcap_setmintocopy.argtype = [POINTER(pcap_t), c_int]
#HANDLE pcap_getevent (pcap_t *p)
# Return the handle of the event associated with the interface p.
pcap_getevent = _lib.pcap_getevent
pcap_getevent.restype = HANDLE
pcap_getevent.argtypes = [POINTER(pcap_t)]
#pcap_send_queue * pcap_sendqueue_alloc (u_int memsize)
# Allocate a send queue.
pcap_sendqueue_alloc = _lib.pcap_sendqueue_alloc
pcap_sendqueue_alloc.restype = POINTER(pcap_send_queue)
pcap_sendqueue_alloc.argtypes = [c_uint]
#void pcap_sendqueue_destroy (pcap_send_queue *queue)
# Destroy a send queue.
pcap_sendqueue_destroy = _lib.pcap_sendqueue_destroy
pcap_sendqueue_destroy.restype = None
pcap_sendqueue_destroy.argtypes = [POINTER(pcap_send_queue)]
#int pcap_sendqueue_queue (pcap_send_queue *queue, const struct pcap_pkthdr *pkt_header, const u_char *pkt_data)
# Add a packet to a send queue.
pcap_sendqueue_queue = _lib.pcap_sendqueue_queue
pcap_sendqueue_queue.restype = c_int
pcap_sendqueue_queue.argtypes = [POINTER(pcap_send_queue), POINTER(pcap_pkthdr), POINTER(u_char)]
#u_int pcap_sendqueue_transmit (pcap_t *p, pcap_send_queue *queue, int sync)
# Send a queue of raw packets to the network.
pcap_sendqueue_transmit = _lib.pcap_sendqueue_transmit
pcap_sendqueue_transmit.retype = u_int
pcap_sendqueue_transmit.argtypes = [POINTER(pcap_t), POINTER(pcap_send_queue), c_int]
#int pcap_findalldevs_ex (char *source, struct pcap_rmtauth *auth, pcap_if_t **alldevs, char *errbuf)
# Create a list of network devices that can be opened with pcap_open().
pcap_findalldevs_ex = _lib.pcap_findalldevs_ex
pcap_findalldevs_ex.retype = c_int
pcap_findalldevs_ex.argtypes = [STRING, POINTER(pcap_rmtauth), POINTER(POINTER(pcap_if_t)), STRING]
#int pcap_createsrcstr (char *source, int type, const char *host, const char *port, const char *name, char *errbuf)
# Accept a set of strings (host name, port, ...), and it returns the complete source string according to the new format (e.g. 'rpcap://1.2.3.4/eth0').
pcap_createsrcstr = _lib.pcap_createsrcstr
pcap_createsrcstr.restype = c_int
pcap_createsrcstr.argtypes = [STRING, c_int, STRING, STRING, STRING, STRING]
#int pcap_parsesrcstr (const char *source, int *type, char *host, char *port, char *name, char *errbuf)
# Parse the source string and returns the pieces in which the source can be split.
pcap_parsesrcstr = _lib.pcap_parsesrcstr
pcap_parsesrcstr.retype = c_int
pcap_parsesrcstr.argtypes = [STRING, POINTER(c_int), STRING, STRING, STRING, STRING]
#pcap_t * pcap_open (const char *source, int snaplen, int flags, int read_timeout, struct pcap_rmtauth *auth, char *errbuf)
# Open a generic source in order to capture / send (WinPcap only) traffic.
pcap_open = _lib.pcap_open
pcap_open.restype = POINTER(pcap_t)
pcap_open.argtypes = [STRING, c_int, c_int, c_int, POINTER(pcap_rmtauth), STRING]
#struct pcap_samp * pcap_setsampling (pcap_t *p)
# Define a sampling method for packet capture.
pcap_setsampling = _lib.pcap_setsampling
pcap_setsampling.restype = POINTER(pcap_samp)
pcap_setsampling.argtypes = [POINTER(pcap_t)]
#SOCKET pcap_remoteact_accept (const char *address, const char *port, const char *hostlist, char *connectinghost, struct pcap_rmtauth *auth, char *errbuf)
# Block until a network connection is accepted (active mode only).
pcap_remoteact_accept = _lib.pcap_remoteact_accept
pcap_remoteact_accept.restype = SOCKET
pcap_remoteact_accept.argtypes = [STRING, STRING, STRING, STRING, POINTER(pcap_rmtauth), STRING]
#int pcap_remoteact_close (const char *host, char *errbuf)
# Drop an active connection (active mode only).
pcap_remoteact_close = _lib.pcap_remoteact_close
pcap_remoteact_close.restypes = c_int
pcap_remoteact_close.argtypes = [STRING, STRING]
#void pcap_remoteact_cleanup ()
# Clean the socket that is currently used in waiting active connections.
pcap_remoteact_cleanup = _lib.pcap_remoteact_cleanup
pcap_remoteact_cleanup.restypes = None
pcap_remoteact_cleanup.argtypes = []
#int pcap_remoteact_list (char *hostlist, char sep, int size, char *errbuf)
# Return the hostname of the host that have an active connection with us (active mode only).
pcap_remoteact_list = _lib.pcap_remoteact_list
pcap_remoteact_list.restype = c_int
pcap_remoteact_list.argtypes = [STRING, c_char, c_int, STRING]