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/*
* TAP-Win32 -- A kernel driver to provide virtual tap device functionality
* on Windows. Originally derived from the CIPE-Win32
* project by Damion K. Wilson, with extensive modifications by
* James Yonan.
*
* All source code which derives from the CIPE-Win32 project is
* Copyright (C) Damion K. Wilson, 2003, and is released under the
* GPL version 2 (see below).
*
* All other source code is Copyright (C) 2002-2005 OpenVPN Solutions LLC,
* and is released under the GPL version 2 (see below).
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2
* as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program (see the file COPYING included with this
* distribution); if not, write to the Free Software Foundation, Inc.,
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef TAP_PROTOTYPES_DEFINED
#define TAP_PROTOTYPES_DEFINED
NTSTATUS DriverEntry
(
IN PDRIVER_OBJECT p_DriverObject,
IN PUNICODE_STRING p_RegistryPath
);
VOID TapDriverUnload
(
IN PDRIVER_OBJECT p_DriverObject
);
NDIS_STATUS AdapterCreate
(
OUT PNDIS_STATUS p_ErrorStatus,
OUT PUINT p_MediaIndex,
IN PNDIS_MEDIUM p_Media,
IN UINT p_MediaCount,
IN NDIS_HANDLE p_AdapterHandle,
IN NDIS_HANDLE p_ConfigurationHandle
);
VOID AdapterHalt
(
IN NDIS_HANDLE p_AdapterContext
);
VOID AdapterFreeResources
(
TapAdapterPointer p_Adapter
);
NDIS_STATUS AdapterReset
(
OUT PBOOLEAN p_AddressingReset,
IN NDIS_HANDLE p_AdapterContext
);
NDIS_STATUS AdapterQuery
(
IN NDIS_HANDLE p_AdapterContext,
IN NDIS_OID p_OID,
IN PVOID p_Buffer,
IN ULONG p_BufferLength,
OUT PULONG p_BytesWritten,
OUT PULONG p_BytesNeeded
);
NDIS_STATUS AdapterModify
(
IN NDIS_HANDLE p_AdapterContext,
IN NDIS_OID p_OID,
IN PVOID p_Buffer,
IN ULONG p_BufferLength,
OUT PULONG p_BytesRead,
OUT PULONG p_BytesNeeded
);
NDIS_STATUS AdapterTransmit
(
IN NDIS_HANDLE p_AdapterContext,
IN PNDIS_PACKET p_Packet,
IN UINT p_Flags
);
NDIS_STATUS AdapterReceive
(
OUT PNDIS_PACKET p_Packet,
OUT PUINT p_Transferred,
IN NDIS_HANDLE p_AdapterContext,
IN NDIS_HANDLE p_ReceiveContext,
IN UINT p_Offset,
IN UINT p_ToTransfer
);
NTSTATUS TapDeviceHook
(
IN PDEVICE_OBJECT p_DeviceObject,
IN PIRP p_IRP
);
NDIS_STATUS CreateTapDevice
(
TapExtensionPointer p_Extension,
const char *p_Name
);
VOID DestroyTapDevice
(
TapExtensionPointer p_Extension
);
VOID TapDeviceFreeResources
(
TapExtensionPointer p_Extension
);
NTSTATUS CompleteIRP
(
IN PIRP p_IRP,
IN TapPacketPointer p_PacketBuffer,
IN CCHAR PriorityBoost
);
VOID CancelIRPCallback
(
IN PDEVICE_OBJECT p_DeviceObject,
IN PIRP p_IRP
);
VOID CancelIRP
(
TapExtensionPointer p_Extension,
IN PIRP p_IRP,
BOOLEAN callback
);
VOID FlushQueues
(
TapExtensionPointer p_Extension
);
VOID ResetTapAdapterState
(
TapAdapterPointer p_Adapter
);
BOOLEAN ProcessARP
(
TapAdapterPointer p_Adapter,
const PARP_PACKET src,
const IPADDR adapter_ip,
const IPADDR ip_network,
const IPADDR ip_netmask,
const MACADDR mac
);
VOID SetMediaStatus
(
TapAdapterPointer p_Adapter,
BOOLEAN state
);
VOID InjectPacket
(
TapAdapterPointer p_Adapter,
UCHAR *packet,
const unsigned int len
);
VOID CheckIfDhcpAndTunMode
(
TapAdapterPointer p_Adapter
);
VOID HookDispatchFunctions();
#if ENABLE_NONADMIN
typedef struct _SECURITY_DESCRIPTOR {
unsigned char opaque[20];
} SECURITY_DESCRIPTOR;
NTSYSAPI
NTSTATUS
NTAPI
ZwSetSecurityObject (
IN HANDLE Handle,
IN SECURITY_INFORMATION SecurityInformation,
IN PSECURITY_DESCRIPTOR SecurityDescriptor);
VOID AllowNonAdmin (TapExtensionPointer p_Extension);
#endif
#if PACKET_TRUNCATION_CHECK
VOID IPv4PacketSizeVerify
(
const UCHAR *data,
ULONG length,
BOOLEAN tun,
const char *prefix,
LONG *counter
);
#endif
#endif
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