1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
|
/*
* TAP-Win32/TAP-Win64 -- A kernel driver to provide virtual tap
* device functionality on Windows.
*
* This code was inspired by the CIPE-Win32 driver by Damion K. Wilson.
*
* This source code is Copyright (C) 2002-2008 OpenVPN Technologies, Inc.,
* and is released under the GPL version 2 (see below), however due
* to the extra costs of supporting Windows Vista, OpenVPN Solutions
* LLC reserves the right to change the terms of the TAP-Win32/TAP-Win64
* license for versions 9.1 and higher prior to the official release of
* OpenVPN 2.1.
*
* 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
#if DDKVER_MAJOR < 5600
/*
* Better solution for use on Vista DDK, but possibly not compatible with
* earlier DDKs:
*
* Eliminate the definition of SECURITY_DESCRIPTOR (and even ZwSetSecurityObject),
* and at the top of tapdrv.c change:
*
* #include <ndis.h>
* #include <ntstrsafe.h>
* #include <ntddk.h>
*
* To
*
* #include <ntifs.h>
* #include <ndis.h>
* #include <ntstrsafe.h>
*/
typedef struct _SECURITY_DESCRIPTOR {
unsigned char opaque[64];
} SECURITY_DESCRIPTOR;
NTSYSAPI
NTSTATUS
NTAPI
ZwSetSecurityObject (
IN HANDLE Handle,
IN SECURITY_INFORMATION SecurityInformation,
IN PSECURITY_DESCRIPTOR SecurityDescriptor);
#endif
VOID AllowNonAdmin (TapExtensionPointer p_Extension);
#endif
struct WIN2K_NDIS_MINIPORT_BLOCK
{
unsigned char opaque[16];
UNICODE_STRING MiniportName; // how mini-port refers to us
};
#if PACKET_TRUNCATION_CHECK
VOID IPv4PacketSizeVerify
(
const UCHAR *data,
ULONG length,
BOOLEAN tun,
const char *prefix,
LONG *counter
);
#endif
#endif
|
