360 lines
17 KiB
C
360 lines
17 KiB
C
|
/*
|
||
|
* Copyright (c) 1999 - 2005 NetGroup, Politecnico di Torino (Italy)
|
||
|
* Copyright (c) 2005 - 2007 CACE Technologies, Davis (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. Neither the name of the Politecnico di Torino, CACE Technologies
|
||
|
* nor the names of its contributors may be used to endorse or promote
|
||
|
* products derived from this software without specific prior written
|
||
|
* permission.
|
||
|
*
|
||
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 COPYRIGHT
|
||
|
* OWNER 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.
|
||
|
*
|
||
|
*/
|
||
|
|
||
|
/** @ingroup packetapi
|
||
|
* @{
|
||
|
*/
|
||
|
|
||
|
/** @defgroup packet32h Packet.dll definitions and data structures
|
||
|
* Packet32.h contains the data structures and the definitions used by packet.dll.
|
||
|
* The file is used both by the Win9x and the WinNTx versions of packet.dll, and can be included
|
||
|
* by the applications that use the functions of this library
|
||
|
* @{
|
||
|
*/
|
||
|
|
||
|
#ifndef __PACKET32
|
||
|
#define __PACKET32
|
||
|
|
||
|
#include <winsock2.h>
|
||
|
|
||
|
#ifdef HAVE_AIRPCAP_API
|
||
|
#include <airpcap.h>
|
||
|
#else
|
||
|
#if !defined(AIRPCAP_HANDLE__EAE405F5_0171_9592_B3C2_C19EC426AD34__DEFINED_)
|
||
|
#define AIRPCAP_HANDLE__EAE405F5_0171_9592_B3C2_C19EC426AD34__DEFINED_
|
||
|
typedef struct _AirpcapHandle *PAirpcapHandle;
|
||
|
#endif /* AIRPCAP_HANDLE__EAE405F5_0171_9592_B3C2_C19EC426AD34__DEFINED_ */
|
||
|
#endif /* HAVE_AIRPCAP_API */
|
||
|
|
||
|
#ifdef HAVE_DAG_API
|
||
|
#include <dagc.h>
|
||
|
#endif /* HAVE_DAG_API */
|
||
|
|
||
|
// Working modes
|
||
|
#define PACKET_MODE_CAPT 0x0 ///< Capture mode
|
||
|
#define PACKET_MODE_STAT 0x1 ///< Statistical mode
|
||
|
#define PACKET_MODE_MON 0x2 ///< Monitoring mode
|
||
|
#define PACKET_MODE_DUMP 0x10 ///< Dump mode
|
||
|
#define PACKET_MODE_STAT_DUMP MODE_DUMP | MODE_STAT ///< Statistical dump Mode
|
||
|
|
||
|
|
||
|
/// Alignment macro. Defines the alignment size.
|
||
|
#define Packet_ALIGNMENT sizeof(int)
|
||
|
/// Alignment macro. Rounds up to the next even multiple of Packet_ALIGNMENT.
|
||
|
#define Packet_WORDALIGN(x) (((x)+(Packet_ALIGNMENT-1))&~(Packet_ALIGNMENT-1))
|
||
|
|
||
|
#define NdisMediumNull -1 ///< Custom linktype: NDIS doesn't provide an equivalent
|
||
|
#define NdisMediumCHDLC -2 ///< Custom linktype: NDIS doesn't provide an equivalent
|
||
|
#define NdisMediumPPPSerial -3 ///< Custom linktype: NDIS doesn't provide an equivalent
|
||
|
#define NdisMediumBare80211 -4 ///< Custom linktype: NDIS doesn't provide an equivalent
|
||
|
#define NdisMediumRadio80211 -5 ///< Custom linktype: NDIS doesn't provide an equivalent
|
||
|
#define NdisMediumPpi -6 ///< Custom linktype: NDIS doesn't provide an equivalent
|
||
|
|
||
|
// Loopback behaviour definitions
|
||
|
#define NPF_DISABLE_LOOPBACK 1 ///< Drop the packets sent by the NPF driver
|
||
|
#define NPF_ENABLE_LOOPBACK 2 ///< Capture the packets sent by the NPF driver
|
||
|
|
||
|
/*!
|
||
|
\brief Network type structure.
|
||
|
|
||
|
This structure is used by the PacketGetNetType() function to return information on the current adapter's type and speed.
|
||
|
*/
|
||
|
typedef struct NetType
|
||
|
{
|
||
|
UINT LinkType; ///< The MAC of the current network adapter (see function PacketGetNetType() for more information)
|
||
|
ULONGLONG LinkSpeed; ///< The speed of the network in bits per second
|
||
|
}NetType;
|
||
|
|
||
|
|
||
|
//some definitions stolen from libpcap
|
||
|
|
||
|
#ifndef BPF_MAJOR_VERSION
|
||
|
|
||
|
/*!
|
||
|
\brief A BPF pseudo-assembly program.
|
||
|
|
||
|
The program will be injected in the kernel by the PacketSetBPF() function and applied to every incoming packet.
|
||
|
*/
|
||
|
struct bpf_program
|
||
|
{
|
||
|
UINT bf_len; ///< Indicates the number of instructions of the program, i.e. the number of struct bpf_insn that will follow.
|
||
|
struct bpf_insn *bf_insns; ///< A pointer to the first instruction of the program.
|
||
|
};
|
||
|
|
||
|
/*!
|
||
|
\brief A single BPF pseudo-instruction.
|
||
|
|
||
|
bpf_insn contains a single instruction for the BPF register-machine. It is used to send a filter program to the driver.
|
||
|
*/
|
||
|
struct bpf_insn
|
||
|
{
|
||
|
USHORT code; ///< Instruction type and addressing mode.
|
||
|
UCHAR jt; ///< Jump if true
|
||
|
UCHAR jf; ///< Jump if false
|
||
|
int k; ///< Generic field used for various purposes.
|
||
|
};
|
||
|
|
||
|
/*!
|
||
|
\brief Structure that contains a couple of statistics values on the current capture.
|
||
|
|
||
|
It is used by packet.dll to return statistics about a capture session.
|
||
|
*/
|
||
|
struct bpf_stat
|
||
|
{
|
||
|
UINT bs_recv; ///< Number of packets that the driver received from the network adapter
|
||
|
///< from the beginning of the current capture. This value includes the packets
|
||
|
///< lost by the driver.
|
||
|
UINT bs_drop; ///< number of packets that the driver lost from the beginning of a capture.
|
||
|
///< Basically, a packet is lost when the the buffer of the driver is full.
|
||
|
///< In this situation the packet cannot be stored and the driver rejects it.
|
||
|
UINT ps_ifdrop; ///< drops by interface. XXX not yet supported
|
||
|
UINT bs_capt; ///< number of packets that pass the filter, find place in the kernel buffer and
|
||
|
///< thus reach the application.
|
||
|
};
|
||
|
|
||
|
/*!
|
||
|
\brief Packet header.
|
||
|
|
||
|
This structure defines the header associated with every packet delivered to the application.
|
||
|
*/
|
||
|
struct bpf_hdr
|
||
|
{
|
||
|
struct timeval bh_tstamp; ///< The timestamp associated with the captured packet.
|
||
|
///< It is stored in a TimeVal structure.
|
||
|
UINT bh_caplen; ///< Length of captured portion. The captured portion <b>can be different</b>
|
||
|
///< from the original packet, because it is possible (with a proper filter)
|
||
|
///< to instruct the driver to capture only a portion of the packets.
|
||
|
UINT bh_datalen; ///< Original length of packet
|
||
|
USHORT bh_hdrlen; ///< Length of bpf header (this struct plus alignment padding). In some cases,
|
||
|
///< a padding could be added between the end of this structure and the packet
|
||
|
///< data for performance reasons. This filed can be used to retrieve the actual data
|
||
|
///< of the packet.
|
||
|
};
|
||
|
|
||
|
/*!
|
||
|
\brief Dump packet header.
|
||
|
|
||
|
This structure defines the header associated with the packets in a buffer to be used with PacketSendPackets().
|
||
|
It is simpler than the bpf_hdr, because it corresponds to the header associated by WinPcap and libpcap to a
|
||
|
packet in a dump file. This makes straightforward sending WinPcap dump files to the network.
|
||
|
*/
|
||
|
struct dump_bpf_hdr{
|
||
|
struct timeval ts; ///< Time stamp of the packet
|
||
|
UINT caplen; ///< Length of captured portion. The captured portion can smaller than the
|
||
|
///< the original packet, because it is possible (with a proper filter) to
|
||
|
///< instruct the driver to capture only a portion of the packets.
|
||
|
UINT len; ///< Length of the original packet (off wire).
|
||
|
};
|
||
|
|
||
|
|
||
|
#endif
|
||
|
|
||
|
struct bpf_stat;
|
||
|
|
||
|
#define DOSNAMEPREFIX TEXT("Packet_") ///< Prefix added to the adapters device names to create the WinPcap devices
|
||
|
#define MAX_LINK_NAME_LENGTH 64 //< Maximum length of the devices symbolic links
|
||
|
#define NMAX_PACKET 65535
|
||
|
|
||
|
/*!
|
||
|
\brief Addresses of a network adapter.
|
||
|
|
||
|
This structure is used by the PacketGetNetInfoEx() function to return the IP addresses associated with
|
||
|
an adapter.
|
||
|
*/
|
||
|
typedef struct npf_if_addr {
|
||
|
struct sockaddr_storage IPAddress; ///< IP address.
|
||
|
struct sockaddr_storage SubnetMask; ///< Netmask for that address.
|
||
|
struct sockaddr_storage Broadcast; ///< Broadcast address.
|
||
|
}npf_if_addr;
|
||
|
|
||
|
|
||
|
#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.
|
||
|
#define ADAPTER_DESC_LENGTH 128 ///< Maximum length for the description of an adapter. The value is the same used by the IP Helper API.
|
||
|
#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.
|
||
|
#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.
|
||
|
|
||
|
|
||
|
typedef struct WAN_ADAPTER_INT WAN_ADAPTER; ///< Describes an opened wan (dialup, VPN...) network adapter using the NetMon API
|
||
|
typedef WAN_ADAPTER *PWAN_ADAPTER; ///< Describes an opened wan (dialup, VPN...) network adapter using the NetMon API
|
||
|
|
||
|
#define INFO_FLAG_NDIS_ADAPTER 0 ///< Flag for ADAPTER_INFO: this is a traditional ndis adapter
|
||
|
#define INFO_FLAG_NDISWAN_ADAPTER 1 ///< Flag for ADAPTER_INFO: this is a NdisWan adapter, and it's managed by WANPACKET
|
||
|
#define INFO_FLAG_DAG_CARD 2 ///< Flag for ADAPTER_INFO: this is a DAG card
|
||
|
#define INFO_FLAG_DAG_FILE 6 ///< Flag for ADAPTER_INFO: this is a DAG file
|
||
|
#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.
|
||
|
#define INFO_FLAG_AIRPCAP_CARD 16 ///< Flag for ADAPTER_INFO: this is an airpcap card
|
||
|
#define INFO_FLAG_NPFIM_DEVICE 32
|
||
|
|
||
|
/*!
|
||
|
\brief Describes an opened network adapter.
|
||
|
|
||
|
This structure is the most important for the functioning of packet.dll, but the great part of its fields
|
||
|
should be ignored by the user, since the library offers functions that avoid to cope with low-level parameters
|
||
|
*/
|
||
|
typedef struct _ADAPTER {
|
||
|
HANDLE hFile; ///< \internal Handle to an open instance of the NPF driver.
|
||
|
CHAR SymbolicLink[MAX_LINK_NAME_LENGTH]; ///< \internal A string containing the name of the network adapter currently opened.
|
||
|
int NumWrites; ///< \internal Number of times a packets written on this adapter will be repeated
|
||
|
///< on the wire.
|
||
|
HANDLE ReadEvent; ///< A notification event associated with the read calls on the adapter.
|
||
|
///< It can be passed to standard Win32 functions (like WaitForSingleObject
|
||
|
///< or WaitForMultipleObjects) to wait until the driver's buffer contains some
|
||
|
///< data. It is particularly useful in GUI applications that need to wait
|
||
|
///< concurrently on several events. In Windows NT/2000 the PacketSetMinToCopy()
|
||
|
///< function can be used to define the minimum amount of data in the kernel buffer
|
||
|
///< that will cause the event to be signalled.
|
||
|
|
||
|
UINT ReadTimeOut; ///< \internal The amount of time after which a read on the driver will be released and
|
||
|
///< ReadEvent will be signaled, also if no packets were captured
|
||
|
CHAR Name[ADAPTER_NAME_LENGTH];
|
||
|
PWAN_ADAPTER pWanAdapter;
|
||
|
UINT Flags; ///< Adapter's flags. Tell if this adapter must be treated in a different way, using the Netmon API or the dagc API.
|
||
|
|
||
|
#ifdef HAVE_AIRPCAP_API
|
||
|
PAirpcapHandle AirpcapAd;
|
||
|
#endif // HAVE_AIRPCAP_API
|
||
|
|
||
|
#ifdef HAVE_NPFIM_API
|
||
|
void* NpfImHandle;
|
||
|
#endif // HAVE_NPFIM_API
|
||
|
|
||
|
#ifdef HAVE_DAG_API
|
||
|
dagc_t *pDagCard; ///< Pointer to the dagc API adapter descriptor for this adapter
|
||
|
PCHAR DagBuffer; ///< Pointer to the buffer with the packets that is received from the DAG card
|
||
|
struct timeval DagReadTimeout; ///< Read timeout. The dagc API requires a timeval structure
|
||
|
unsigned DagFcsLen; ///< Length of the frame check sequence attached to any packet by the card. Obtained from the registry
|
||
|
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).
|
||
|
#endif // HAVE_DAG_API
|
||
|
} ADAPTER, *LPADAPTER;
|
||
|
|
||
|
/*!
|
||
|
\brief Structure that contains a group of packets coming from the driver.
|
||
|
|
||
|
This structure defines the header associated with every packet delivered to the application.
|
||
|
*/
|
||
|
typedef struct _PACKET {
|
||
|
HANDLE hEvent; ///< \deprecated Still present for compatibility with old applications.
|
||
|
OVERLAPPED OverLapped; ///< \deprecated Still present for compatibility with old applications.
|
||
|
PVOID Buffer; ///< Buffer with containing the packets. See the PacketReceivePacket() for
|
||
|
///< details about the organization of the data in this buffer
|
||
|
UINT Length; ///< Length of the buffer
|
||
|
DWORD ulBytesReceived; ///< Number of valid bytes present in the buffer, i.e. amount of data
|
||
|
///< received by the last call to PacketReceivePacket()
|
||
|
BOOLEAN bIoComplete; ///< \deprecated Still present for compatibility with old applications.
|
||
|
} PACKET, *LPPACKET;
|
||
|
|
||
|
/*!
|
||
|
\brief Structure containing an OID request.
|
||
|
|
||
|
It is used by the PacketRequest() function to send an OID to the interface card driver.
|
||
|
It can be used, for example, to retrieve the status of the error counters on the adapter, its MAC address,
|
||
|
the list of the multicast groups defined on it, and so on.
|
||
|
*/
|
||
|
struct _PACKET_OID_DATA {
|
||
|
ULONG Oid; ///< OID code. See the Microsoft DDK documentation or the file ntddndis.h
|
||
|
///< for a complete list of valid codes.
|
||
|
ULONG Length; ///< Length of the data field
|
||
|
UCHAR Data[1]; ///< variable-lenght field that contains the information passed to or received
|
||
|
///< from the adapter.
|
||
|
};
|
||
|
typedef struct _PACKET_OID_DATA PACKET_OID_DATA, *PPACKET_OID_DATA;
|
||
|
|
||
|
#ifdef __cplusplus
|
||
|
extern "C" {
|
||
|
#endif
|
||
|
|
||
|
/**
|
||
|
* @}
|
||
|
*/
|
||
|
|
||
|
/*
|
||
|
BOOLEAN QueryWinPcapRegistryStringA(CHAR *SubKeyName,
|
||
|
CHAR *Value,
|
||
|
UINT *pValueLen,
|
||
|
CHAR *DefaultVal);
|
||
|
|
||
|
BOOLEAN QueryWinPcapRegistryStringW(WCHAR *SubKeyName,
|
||
|
WCHAR *Value,
|
||
|
UINT *pValueLen,
|
||
|
WCHAR *DefaultVal);
|
||
|
*/
|
||
|
|
||
|
//---------------------------------------------------------------------------
|
||
|
// EXPORTED FUNCTIONS
|
||
|
//---------------------------------------------------------------------------
|
||
|
|
||
|
PCHAR PacketGetVersion();
|
||
|
PCHAR PacketGetDriverVersion();
|
||
|
BOOLEAN PacketSetMinToCopy(LPADAPTER AdapterObject,int nbytes);
|
||
|
BOOLEAN PacketSetNumWrites(LPADAPTER AdapterObject,int nwrites);
|
||
|
BOOLEAN PacketSetMode(LPADAPTER AdapterObject,int mode);
|
||
|
BOOLEAN PacketSetReadTimeout(LPADAPTER AdapterObject,int timeout);
|
||
|
BOOLEAN PacketSetBpf(LPADAPTER AdapterObject,struct bpf_program *fp);
|
||
|
BOOLEAN PacketSetLoopbackBehavior(LPADAPTER AdapterObject, UINT LoopbackBehavior);
|
||
|
INT PacketSetSnapLen(LPADAPTER AdapterObject,int snaplen);
|
||
|
BOOLEAN PacketGetStats(LPADAPTER AdapterObject,struct bpf_stat *s);
|
||
|
BOOLEAN PacketGetStatsEx(LPADAPTER AdapterObject,struct bpf_stat *s);
|
||
|
BOOLEAN PacketSetBuff(LPADAPTER AdapterObject,int dim);
|
||
|
BOOLEAN PacketGetNetType (LPADAPTER AdapterObject,NetType *type);
|
||
|
LPADAPTER PacketOpenAdapter(PCHAR AdapterName);
|
||
|
BOOLEAN PacketSendPacket(LPADAPTER AdapterObject,LPPACKET pPacket,BOOLEAN Sync);
|
||
|
INT PacketSendPackets(LPADAPTER AdapterObject,PVOID PacketBuff,ULONG Size, BOOLEAN Sync);
|
||
|
LPPACKET PacketAllocatePacket(void);
|
||
|
VOID PacketInitPacket(LPPACKET lpPacket,PVOID Buffer,UINT Length);
|
||
|
VOID PacketFreePacket(LPPACKET lpPacket);
|
||
|
BOOLEAN PacketReceivePacket(LPADAPTER AdapterObject,LPPACKET lpPacket,BOOLEAN Sync);
|
||
|
BOOLEAN PacketSetHwFilter(LPADAPTER AdapterObject,ULONG Filter);
|
||
|
BOOLEAN PacketGetAdapterNames(PTSTR pStr,PULONG BufferSize);
|
||
|
BOOLEAN PacketGetNetInfoEx(PCHAR AdapterName, npf_if_addr* buffer, PLONG NEntries);
|
||
|
BOOLEAN PacketRequest(LPADAPTER AdapterObject,BOOLEAN Set,PPACKET_OID_DATA OidData);
|
||
|
HANDLE PacketGetReadEvent(LPADAPTER AdapterObject);
|
||
|
BOOLEAN PacketSetDumpName(LPADAPTER AdapterObject, void *name, int len);
|
||
|
BOOLEAN PacketSetDumpLimits(LPADAPTER AdapterObject, UINT maxfilesize, UINT maxnpacks);
|
||
|
BOOLEAN PacketIsDumpEnded(LPADAPTER AdapterObject, BOOLEAN sync);
|
||
|
BOOL PacketStopDriver();
|
||
|
VOID PacketCloseAdapter(LPADAPTER lpAdapter);
|
||
|
BOOLEAN PacketStartOem(PCHAR errorString, UINT errorStringLength);
|
||
|
BOOLEAN PacketStartOemEx(PCHAR errorString, UINT errorStringLength, ULONG flags);
|
||
|
PAirpcapHandle PacketGetAirPcapHandle(LPADAPTER AdapterObject);
|
||
|
|
||
|
//
|
||
|
// Used by PacketStartOemEx
|
||
|
//
|
||
|
#define PACKET_START_OEM_NO_NETMON 0x00000001
|
||
|
|
||
|
#ifdef __cplusplus
|
||
|
}
|
||
|
#endif
|
||
|
|
||
|
#endif //__PACKET32
|