410 lines
21 KiB
C
410 lines
21 KiB
C
/*
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* Copyright (c) 1999 - 2005 NetGroup, Politecnico di Torino (Italy)
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* Copyright (c) 2005 - 2006 CACE Technologies, Davis (California)
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the Politecnico di Torino, CACE Technologies
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* nor the names of its contributors may be used to endorse or promote
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* products derived from this software without specific prior written
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* permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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/** @ingroup packetapi
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* @{
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*/
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/** @defgroup packet32h Packet.dll definitions and data structures
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* Packet32.h contains the data structures and the definitions used by packet.dll.
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* The file is used both by the Win9x and the WinNTx versions of packet.dll, and can be included
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* by the applications that use the functions of this library
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* @{
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*/
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#ifndef __PACKET32
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#define __PACKET32
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#include <winsock2.h>
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#include "devioctl.h"
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#ifdef HAVE_AIRPCAP_API
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#include <airpcap.h>
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#else
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#if !defined(AIRPCAP_HANDLE__EAE405F5_0171_9592_B3C2_C19EC426AD34__DEFINED_)
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#define AIRPCAP_HANDLE__EAE405F5_0171_9592_B3C2_C19EC426AD34__DEFINED_
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typedef struct _AirpcapHandle * PAirpcapHandle;
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#endif /* AIRPCAP_HANDLE__EAE405F5_0171_9592_B3C2_C19EC426AD34__DEFINED_ */
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#endif /* HAVE_AIRPCAP_API */
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#ifdef HAVE_DAG_API
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#include <dagc.h>
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#endif /* HAVE_DAG_API */
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// Working modes
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#define PACKET_MODE_CAPT 0x0 ///< Capture mode
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#define PACKET_MODE_STAT 0x1 ///< Statistical mode
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#define PACKET_MODE_MON 0x2 ///< Monitoring mode
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#define PACKET_MODE_DUMP 0x10 ///< Dump mode
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#define PACKET_MODE_STAT_DUMP MODE_DUMP | MODE_STAT ///< Statistical dump Mode
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// ioctls
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#define FILE_DEVICE_PROTOCOL 0x8000
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#define IOCTL_PROTOCOL_STATISTICS CTL_CODE(FILE_DEVICE_PROTOCOL, 2 , METHOD_BUFFERED, FILE_ANY_ACCESS)
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#define IOCTL_PROTOCOL_RESET CTL_CODE(FILE_DEVICE_PROTOCOL, 3 , METHOD_BUFFERED, FILE_ANY_ACCESS)
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#define IOCTL_PROTOCOL_READ CTL_CODE(FILE_DEVICE_PROTOCOL, 4 , METHOD_BUFFERED, FILE_ANY_ACCESS)
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#define IOCTL_PROTOCOL_WRITE CTL_CODE(FILE_DEVICE_PROTOCOL, 5 , METHOD_BUFFERED, FILE_ANY_ACCESS)
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#define IOCTL_PROTOCOL_MACNAME CTL_CODE(FILE_DEVICE_PROTOCOL, 6 , METHOD_BUFFERED, FILE_ANY_ACCESS)
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#define IOCTL_OPEN CTL_CODE(FILE_DEVICE_PROTOCOL, 7 , METHOD_BUFFERED, FILE_ANY_ACCESS)
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#define IOCTL_CLOSE CTL_CODE(FILE_DEVICE_PROTOCOL, 8 , METHOD_BUFFERED, FILE_ANY_ACCESS)
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#define pBIOCSETBUFFERSIZE 9592 ///< IOCTL code: set kernel buffer size.
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#define pBIOCSETF 9030 ///< IOCTL code: set packet filtering program.
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#define pBIOCGSTATS 9031 ///< IOCTL code: get the capture stats.
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#define pBIOCSRTIMEOUT 7416 ///< IOCTL code: set the read timeout.
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#define pBIOCSMODE 7412 ///< IOCTL code: set working mode.
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#define pBIOCSWRITEREP 7413 ///< IOCTL code: set number of physical repetions of every packet written by the app.
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#define pBIOCSMINTOCOPY 7414 ///< IOCTL code: set minimum amount of data in the kernel buffer that unlocks a read call.
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#define pBIOCSETOID 2147483648U ///< IOCTL code: set an OID value.
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#define pBIOCQUERYOID 2147483652U ///< IOCTL code: get an OID value.
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#define pATTACHPROCESS 7117 ///< IOCTL code: attach a process to the driver. Used in Win9x only.
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#define pDETACHPROCESS 7118 ///< IOCTL code: detach a process from the driver. Used in Win9x only.
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#define pBIOCSETDUMPFILENAME 9029 ///< IOCTL code: set the name of a the file used by kernel dump mode.
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#define pBIOCEVNAME 7415 ///< IOCTL code: get the name of the event that the driver signals when some data is present in the buffer.
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#define pBIOCSENDPACKETSNOSYNC 9032 ///< IOCTL code: Send a buffer containing multiple packets to the network, ignoring the timestamps associated with the packets.
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#define pBIOCSENDPACKETSSYNC 9033 ///< IOCTL code: Send a buffer containing multiple packets to the network, respecting the timestamps associated with the packets.
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#define pBIOCSETDUMPLIMITS 9034 ///< IOCTL code: Set the dump file limits. See the PacketSetDumpLimits() function.
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#define pBIOCISDUMPENDED 7411 ///< IOCTL code: Get the status of the kernel dump process. See the PacketIsDumpEnded() function.
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#define pBIOCISETLOBBEH 7410 ///< IOCTL code: Set the loopback behavior of the driver with packets sent by itself: capture or drop.
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#define pBIOCSETEVENTHANDLE 7920 ///< IOCTL code: Passes the read event HANDLE allocated by the user (packet.dll) to the kernel level driver.
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#define pBIOCSTIMEZONE 7471 ///< IOCTL code: set time zone. Used in Win9x only.
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/// Alignment macro. Defines the alignment size.
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#define Packet_ALIGNMENT sizeof(int)
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/// Alignment macro. Rounds up to the next even multiple of Packet_ALIGNMENT.
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#define Packet_WORDALIGN(x) (((x)+(Packet_ALIGNMENT-1))&~(Packet_ALIGNMENT-1))
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#define NdisMediumNull -1 ///< Custom linktype: NDIS doesn't provide an equivalent
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#define NdisMediumCHDLC -2 ///< Custom linktype: NDIS doesn't provide an equivalent
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#define NdisMediumPPPSerial -3 ///< Custom linktype: NDIS doesn't provide an equivalent
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#define NdisMediumBare80211 -4 ///< Custom linktype: NDIS doesn't provide an equivalent
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#define NdisMediumRadio80211 -5 ///< Custom linktype: NDIS doesn't provide an equivalent
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// Loopback behaviour definitions
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#define NPF_DISABLE_LOOPBACK 1 ///< Drop the packets sent by the NPF driver
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#define NPF_ENABLE_LOOPBACK 2 ///< Capture the packets sent by the NPF driver
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/*!
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\brief Network type structure.
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This structure is used by the PacketGetNetType() function to return information on the current adapter's type and speed.
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*/
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typedef struct NetType
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{
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UINT LinkType; ///< The MAC of the current network adapter (see function PacketGetNetType() for more information)
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ULONGLONG LinkSpeed; ///< The speed of the network in bits per second
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}NetType;
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//some definitions stolen from libpcap
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#ifndef BPF_MAJOR_VERSION
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/*!
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\brief A BPF pseudo-assembly program.
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The program will be injected in the kernel by the PacketSetBPF() function and applied to every incoming packet.
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*/
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struct bpf_program
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{
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UINT bf_len; ///< Indicates the number of instructions of the program, i.e. the number of struct bpf_insn that will follow.
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struct bpf_insn * bf_insns; ///< A pointer to the first instruction of the program.
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};
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/*!
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\brief A single BPF pseudo-instruction.
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bpf_insn contains a single instruction for the BPF register-machine. It is used to send a filter program to the driver.
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*/
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struct bpf_insn
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{
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USHORT code; ///< Instruction type and addressing mode.
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UCHAR jt; ///< Jump if true
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UCHAR jf; ///< Jump if false
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int k; ///< Generic field used for various purposes.
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};
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/*!
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\brief Structure that contains a couple of statistics values on the current capture.
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It is used by packet.dll to return statistics about a capture session.
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*/
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struct bpf_stat
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{
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UINT bs_recv; ///< Number of packets that the driver received from the network adapter
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///< from the beginning of the current capture. This value includes the packets
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///< lost by the driver.
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UINT bs_drop; ///< number of packets that the driver lost from the beginning of a capture.
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///< Basically, a packet is lost when the the buffer of the driver is full.
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///< In this situation the packet cannot be stored and the driver rejects it.
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UINT ps_ifdrop; ///< drops by interface. XXX not yet supported
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UINT bs_capt; ///< number of packets that pass the filter, find place in the kernel buffer and
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///< thus reach the application.
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};
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/*!
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\brief Packet header.
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This structure defines the header associated with every packet delivered to the application.
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*/
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struct bpf_hdr
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{
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struct timeval bh_tstamp; ///< The timestamp associated with the captured packet.
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///< It is stored in a TimeVal structure.
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UINT bh_caplen; ///< Length of captured portion. The captured portion <b>can be different</b>
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///< from the original packet, because it is possible (with a proper filter)
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///< to instruct the driver to capture only a portion of the packets.
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UINT bh_datalen; ///< Original length of packet
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USHORT bh_hdrlen; ///< Length of bpf header (this struct plus alignment padding). In some cases,
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///< a padding could be added between the end of this structure and the packet
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///< data for performance reasons. This filed can be used to retrieve the actual data
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///< of the packet.
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};
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/*!
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\brief Dump packet header.
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This structure defines the header associated with the packets in a buffer to be used with PacketSendPackets().
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It is simpler than the bpf_hdr, because it corresponds to the header associated by WinPcap and libpcap to a
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packet in a dump file. This makes straightforward sending WinPcap dump files to the network.
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*/
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struct dump_bpf_hdr{
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struct timeval ts; ///< Time stamp of the packet
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UINT caplen; ///< Length of captured portion. The captured portion can smaller than the
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///< the original packet, because it is possible (with a proper filter) to
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///< instruct the driver to capture only a portion of the packets.
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UINT len; ///< Length of the original packet (off wire).
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};
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#endif
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struct bpf_stat;
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#define DOSNAMEPREFIX TEXT("Packet_") ///< Prefix added to the adapters device names to create the WinPcap devices
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#define MAX_LINK_NAME_LENGTH 64 //< Maximum length of the devices symbolic links
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#define NMAX_PACKET 65535
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#ifndef _SS_PAD1SIZE
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struct sockaddr_storage {
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u_char sa_len;
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u_char sa_family;
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u_char padding[128];
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};
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#endif
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/*!
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\brief Addresses of a network adapter.
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This structure is used by the PacketGetNetInfoEx() function to return the IP addresses associated with
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an adapter.
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*/
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typedef struct npf_if_addr {
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struct sockaddr_storage IPAddress; ///< IP address.
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struct sockaddr_storage SubnetMask; ///< Netmask for that address.
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struct sockaddr_storage Broadcast; ///< Broadcast address.
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}npf_if_addr;
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#define ADAPTER_NAME_LENGTH 256 + 12 ///< Maximum length for the name of an adapter. The value is the same used by the IP Helper API.
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#define ADAPTER_DESC_LENGTH 128 ///< Maximum length for the description of an adapter. The value is the same used by the IP Helper API.
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#define MAX_MAC_ADDR_LENGTH 8 ///< Maximum length for the link layer address of an adapter. The value is the same used by the IP Helper API.
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#define MAX_NETWORK_ADDRESSES 16 ///< Maximum length for the link layer address of an adapter. The value is the same used by the IP Helper API.
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typedef struct WAN_ADAPTER_INT WAN_ADAPTER; ///< Describes an opened wan (dialup, VPN...) network adapter using the NetMon API
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typedef WAN_ADAPTER * PWAN_ADAPTER; ///< Describes an opened wan (dialup, VPN...) network adapter using the NetMon API
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#define INFO_FLAG_NDIS_ADAPTER 0 ///< Flag for ADAPTER_INFO: this is a traditional ndis adapter
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#define INFO_FLAG_NDISWAN_ADAPTER 1 ///< Flag for ADAPTER_INFO: this is a NdisWan adapter, and it's managed by WANPACKET
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#define INFO_FLAG_DAG_CARD 2 ///< Flag for ADAPTER_INFO: this is a DAG card
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#define INFO_FLAG_DAG_FILE 6 ///< Flag for ADAPTER_INFO: this is a DAG file
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#define INFO_FLAG_DONT_EXPORT 8 ///< Flag for ADAPTER_INFO: when this flag is set, the adapter will not be listed or openend by winpcap. This allows to prevent exporting broken network adapters, like for example FireWire ones.
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#define INFO_FLAG_AIRPCAP_CARD 16 ///< Flag for ADAPTER_INFO: this is an airpcap card
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#define INFO_FLAG_NPFIM_DEVICE 32
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/*!
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\brief Contains comprehensive information about a network adapter.
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This structure is filled with all the accessory information that the user can need about an adapter installed
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on his system.
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*/
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typedef struct _ADAPTER_INFO
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{
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struct _ADAPTER_INFO * Next; ///< Pointer to the next adapter in the list.
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CHAR Name[ADAPTER_NAME_LENGTH + 1]; ///< Name of the device representing the adapter.
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CHAR Description[ADAPTER_DESC_LENGTH + 1]; ///< Human understandable description of the adapter
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UINT MacAddressLen; ///< Length of the link layer address.
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UCHAR MacAddress[MAX_MAC_ADDR_LENGTH]; ///< Link layer address.
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NetType LinkLayer; ///< Physical characteristics of this adapter. This NetType structure contains the link type and the speed of the adapter.
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INT NNetworkAddresses; ///< Number of network layer addresses of this adapter.
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npf_if_addr * NetworkAddresses; ///< Pointer to an array of npf_if_addr, each of which specifies a network address of this adapter.
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UINT Flags; ///< Adapter's flags. Tell if this adapter must be treated in a different way, using the Netmon API or the dagc API.
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}
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ADAPTER_INFO, * PADAPTER_INFO;
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/*!
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\brief Describes an opened network adapter.
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This structure is the most important for the functioning of packet.dll, but the great part of its fields
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should be ignored by the user, since the library offers functions that avoid to cope with low-level parameters
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*/
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typedef struct _ADAPTER {
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HANDLE hFile; ///< \internal Handle to an open instance of the NPF driver.
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CHAR SymbolicLink[MAX_LINK_NAME_LENGTH]; ///< \internal A string containing the name of the network adapter currently opened.
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int NumWrites; ///< \internal Number of times a packets written on this adapter will be repeated
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///< on the wire.
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HANDLE ReadEvent; ///< A notification event associated with the read calls on the adapter.
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///< It can be passed to standard Win32 functions (like WaitForSingleObject
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///< or WaitForMultipleObjects) to wait until the driver's buffer contains some
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///< data. It is particularly useful in GUI applications that need to wait
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///< concurrently on several events. In Windows NT/2000 the PacketSetMinToCopy()
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///< function can be used to define the minimum amount of data in the kernel buffer
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///< that will cause the event to be signalled.
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UINT ReadTimeOut; ///< \internal The amount of time after which a read on the driver will be released and
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///< ReadEvent will be signaled, also if no packets were captured
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CHAR Name[ADAPTER_NAME_LENGTH];
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PWAN_ADAPTER pWanAdapter;
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UINT Flags; ///< Adapter's flags. Tell if this adapter must be treated in a different way, using the Netmon API or the dagc API.
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#ifdef HAVE_AIRPCAP_API
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PAirpcapHandle AirpcapAd;
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#endif // HAVE_AIRPCAP_API
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#ifdef HAVE_NPFIM_API
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void * NpfImHandle;
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#endif // HAVE_NPFIM_API
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#ifdef HAVE_DAG_API
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dagc_t * pDagCard; ///< Pointer to the dagc API adapter descriptor for this adapter
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PCHAR DagBuffer; ///< Pointer to the buffer with the packets that is received from the DAG card
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struct timeval DagReadTimeout; ///< Read timeout. The dagc API requires a timeval structure
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unsigned DagFcsLen; ///< Length of the frame check sequence attached to any packet by the card. Obtained from the registry
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DWORD DagFastProcess; ///< True if the user requests fast capture processing on this card. Higher level applications can use this value to provide a faster but possibly unprecise capture (for example, libpcap doesn't convert the timestamps).
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#endif // HAVE_DAG_API
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} ADAPTER, * LPADAPTER;
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/*!
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\brief Structure that contains a group of packets coming from the driver.
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This structure defines the header associated with every packet delivered to the application.
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*/
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typedef struct _PACKET {
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HANDLE hEvent; ///< \deprecated Still present for compatibility with old applications.
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OVERLAPPED OverLapped; ///< \deprecated Still present for compatibility with old applications.
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PVOID Buffer; ///< Buffer with containing the packets. See the PacketReceivePacket() for
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///< details about the organization of the data in this buffer
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UINT Length; ///< Length of the buffer
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DWORD ulBytesReceived; ///< Number of valid bytes present in the buffer, i.e. amount of data
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///< received by the last call to PacketReceivePacket()
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BOOLEAN bIoComplete; ///< \deprecated Still present for compatibility with old applications.
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} PACKET, * LPPACKET;
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/*!
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\brief Structure containing an OID request.
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It is used by the PacketRequest() function to send an OID to the interface card driver.
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It can be used, for example, to retrieve the status of the error counters on the adapter, its MAC address,
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the list of the multicast groups defined on it, and so on.
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*/
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struct _PACKET_OID_DATA {
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ULONG Oid; ///< OID code. See the Microsoft DDK documentation or the file ntddndis.h
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///< for a complete list of valid codes.
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ULONG Length; ///< Length of the data field
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UCHAR Data[1]; ///< variable-lenght field that contains the information passed to or received
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///< from the adapter.
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};
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typedef struct _PACKET_OID_DATA PACKET_OID_DATA, * PPACKET_OID_DATA;
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* @}
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*/
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/*
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BOOLEAN QueryWinPcapRegistryStringA(CHAR *SubKeyName,
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CHAR *Value,
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UINT *pValueLen,
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CHAR *DefaultVal);
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BOOLEAN QueryWinPcapRegistryStringW(WCHAR *SubKeyName,
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WCHAR *Value,
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UINT *pValueLen,
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WCHAR *DefaultVal);
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*/
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//---------------------------------------------------------------------------
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// EXPORTED FUNCTIONS
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//---------------------------------------------------------------------------
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PCHAR PacketGetVersion();
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PCHAR PacketGetDriverVersion();
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BOOLEAN PacketSetMinToCopy( LPADAPTER AdapterObject, int nbytes );
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BOOLEAN PacketSetNumWrites( LPADAPTER AdapterObject, int nwrites );
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BOOLEAN PacketSetMode( LPADAPTER AdapterObject, int mode );
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BOOLEAN PacketSetReadTimeout( LPADAPTER AdapterObject, int timeout );
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BOOLEAN PacketSetBpf( LPADAPTER AdapterObject, struct bpf_program * fp );
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BOOLEAN PacketSetLoopbackBehavior( LPADAPTER AdapterObject, UINT LoopbackBehavior );
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INT PacketSetSnapLen( LPADAPTER AdapterObject, int snaplen );
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BOOLEAN PacketGetStats( LPADAPTER AdapterObject, struct bpf_stat * s );
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BOOLEAN PacketGetStatsEx( LPADAPTER AdapterObject, struct bpf_stat * s );
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BOOLEAN PacketSetBuff( LPADAPTER AdapterObject, int dim );
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BOOLEAN PacketGetNetType ( LPADAPTER AdapterObject, NetType * type );
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LPADAPTER PacketOpenAdapter( PCHAR AdapterName );
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BOOLEAN PacketSendPacket( LPADAPTER AdapterObject, LPPACKET pPacket, BOOLEAN Sync );
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INT PacketSendPackets( LPADAPTER AdapterObject, PVOID PacketBuff, ULONG Size, BOOLEAN Sync );
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LPPACKET PacketAllocatePacket( void );
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VOID PacketInitPacket( LPPACKET lpPacket, PVOID Buffer, UINT Length );
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VOID PacketFreePacket( LPPACKET lpPacket );
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BOOLEAN PacketReceivePacket( LPADAPTER AdapterObject, LPPACKET lpPacket, BOOLEAN Sync );
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BOOLEAN PacketSetHwFilter( LPADAPTER AdapterObject, ULONG Filter );
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BOOLEAN PacketGetAdapterNames( PTSTR pStr, PULONG BufferSize );
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BOOLEAN PacketGetNetInfoEx( PCHAR AdapterName, npf_if_addr * buffer, PLONG NEntries );
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BOOLEAN PacketRequest( LPADAPTER AdapterObject, BOOLEAN Set, PPACKET_OID_DATA OidData );
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HANDLE PacketGetReadEvent( LPADAPTER AdapterObject );
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BOOLEAN PacketSetDumpName( LPADAPTER AdapterObject, void * name, int len );
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BOOLEAN PacketSetDumpLimits( LPADAPTER AdapterObject, UINT maxfilesize, UINT maxnpacks );
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BOOLEAN PacketIsDumpEnded( LPADAPTER AdapterObject, BOOLEAN sync );
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BOOL PacketStopDriver();
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VOID PacketCloseAdapter( LPADAPTER lpAdapter );
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BOOLEAN PacketStartOem( PCHAR errorString, UINT errorStringLength );
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PAirpcapHandle PacketGetAirPcapHandle( LPADAPTER AdapterObject );
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#ifdef __cplusplus
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}
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#endif
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#endif //__PACKET32
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