1 | /*
|
---|
2 | * xfilter.h
|
---|
3 | *
|
---|
4 | * Address filtering for NDIS MACs
|
---|
5 | *
|
---|
6 | * This file is part of the w32api package.
|
---|
7 | *
|
---|
8 | * Contributors:
|
---|
9 | * Created by Casper S. Hornstrup <chorns@users.sourceforge.net>
|
---|
10 | *
|
---|
11 | * THIS SOFTWARE IS NOT COPYRIGHTED
|
---|
12 | *
|
---|
13 | * This source code is offered for use in the public domain. You may
|
---|
14 | * use, modify or distribute it freely.
|
---|
15 | *
|
---|
16 | * This code is distributed in the hope that it will be useful but
|
---|
17 | * WITHOUT ANY WARRANTY. ALL WARRANTIES, EXPRESS OR IMPLIED ARE HEREBY
|
---|
18 | * DISCLAIMED. This includes but is not limited to warranties of
|
---|
19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
|
---|
20 | *
|
---|
21 | */
|
---|
22 |
|
---|
23 | #ifndef __XFILTER_H
|
---|
24 | #define __XFILTER_H
|
---|
25 |
|
---|
26 | #if __GNUC__ >=3
|
---|
27 | #pragma GCC system_header
|
---|
28 | #endif
|
---|
29 |
|
---|
30 | #ifdef __cplusplus
|
---|
31 | extern "C" {
|
---|
32 | #endif
|
---|
33 |
|
---|
34 | #include "ntddk.h"
|
---|
35 |
|
---|
36 |
|
---|
37 | #define ETH_LENGTH_OF_ADDRESS 6
|
---|
38 |
|
---|
39 | #define ETH_IS_BROADCAST(Address) \
|
---|
40 | ((((PUCHAR)(Address))[0] == ((UCHAR)0xff)) && (((PUCHAR)(Address))[1] == ((UCHAR)0xff)))
|
---|
41 |
|
---|
42 | #define ETH_IS_MULTICAST(Address) \
|
---|
43 | (BOOLEAN)(((PUCHAR)(Address))[0] & ((UCHAR)0x01))
|
---|
44 |
|
---|
45 | #define ETH_COMPARE_NETWORK_ADDRESSES(_A, _B, _Result) \
|
---|
46 | { \
|
---|
47 | if (*(ULONG UNALIGNED *)&(_A)[2] > *(ULONG UNALIGNED *)&(_B)[2]) \
|
---|
48 | { \
|
---|
49 | *(_Result) = 1; \
|
---|
50 | } \
|
---|
51 | else if (*(ULONG UNALIGNED *)&(_A)[2] < *(ULONG UNALIGNED *)&(_B)[2]) \
|
---|
52 | { \
|
---|
53 | *(_Result) = (UINT)-1; \
|
---|
54 | } \
|
---|
55 | else if (*(USHORT UNALIGNED *)(_A) > *(USHORT UNALIGNED *)(_B)) \
|
---|
56 | { \
|
---|
57 | *(_Result) = 1; \
|
---|
58 | } \
|
---|
59 | else if (*(USHORT UNALIGNED *)(_A) < *(USHORT UNALIGNED *)(_B)) \
|
---|
60 | { \
|
---|
61 | *(_Result) = (UINT)-1; \
|
---|
62 | } \
|
---|
63 | else \
|
---|
64 | { \
|
---|
65 | *(_Result) = 0; \
|
---|
66 | } \
|
---|
67 | }
|
---|
68 |
|
---|
69 | #define ETH_COMPARE_NETWORK_ADDRESSES_EQ(_A,_B, _Result) \
|
---|
70 | { \
|
---|
71 | if ((*(ULONG UNALIGNED *)&(_A)[2] == *(ULONG UNALIGNED *)&(_B)[2]) && \
|
---|
72 | (*(USHORT UNALIGNED *)(_A) == *(USHORT UNALIGNED *)(_B))) \
|
---|
73 | { \
|
---|
74 | *(_Result) = 0; \
|
---|
75 | } \
|
---|
76 | else \
|
---|
77 | { \
|
---|
78 | *(_Result) = 1; \
|
---|
79 | } \
|
---|
80 | }
|
---|
81 |
|
---|
82 | #define ETH_COPY_NETWORK_ADDRESS(_D, _S) \
|
---|
83 | { \
|
---|
84 | *((ULONG UNALIGNED *)(_D)) = *((ULONG UNALIGNED *)(_S)); \
|
---|
85 | *((USHORT UNALIGNED *)((UCHAR *)(_D) + 4)) = *((USHORT UNALIGNED *)((UCHAR *)(_S) + 4)); \
|
---|
86 | }
|
---|
87 |
|
---|
88 | #define FDDI_LENGTH_OF_LONG_ADDRESS 6
|
---|
89 | #define FDDI_LENGTH_OF_SHORT_ADDRESS 2
|
---|
90 |
|
---|
91 | #define FDDI_IS_BROADCAST(Address, AddressLength, Result) \
|
---|
92 | *Result = ((*(PUCHAR)(Address) == (UCHAR)0xFF) && \
|
---|
93 | (*((PUCHAR)(Address) + 1) == (UCHAR)0xFF))
|
---|
94 |
|
---|
95 | #define FDDI_IS_MULTICAST(Address, AddressLength, Result) \
|
---|
96 | *Result = (BOOLEAN)(*(UCHAR *)(Address) & (UCHAR)0x01)
|
---|
97 |
|
---|
98 | #define FDDI_IS_SMT(FcByte, Result) \
|
---|
99 | { \
|
---|
100 | *Result = ((FcByte & ((UCHAR)0xf0)) == 0x40); \
|
---|
101 | }
|
---|
102 |
|
---|
103 |
|
---|
104 | #define FDDI_COMPARE_NETWORK_ADDRESSES(_A, _B, _Length, _Result) \
|
---|
105 | { \
|
---|
106 | if (*(USHORT UNALIGNED *)(_A) > *(USHORT UNALIGNED *)(_B)) \
|
---|
107 | { \
|
---|
108 | *(_Result) = 1; \
|
---|
109 | } \
|
---|
110 | else if (*(USHORT UNALIGNED *)(_A) < *(USHORT UNALIGNED *)(_B)) \
|
---|
111 | { \
|
---|
112 | *(_Result) = (UINT)-1; \
|
---|
113 | } \
|
---|
114 | else if (_Length == 2) \
|
---|
115 | { \
|
---|
116 | *(_Result) = 0; \
|
---|
117 | } \
|
---|
118 | else if (*(ULONG UNALIGNED *)((PUCHAR)(_A) + 2) > *(ULONG UNALIGNED *)((PUCHAR)(_B) + 2)) \
|
---|
119 | { \
|
---|
120 | *(_Result) = 1; \
|
---|
121 | } \
|
---|
122 | else if (*(ULONG UNALIGNED *)((PUCHAR)(_A) + 2) < *(ULONG UNALIGNED *)((PUCHAR)(_B) + 2)) \
|
---|
123 | { \
|
---|
124 | *(_Result) = (UINT)-1; \
|
---|
125 | } \
|
---|
126 | else \
|
---|
127 | { \
|
---|
128 | *(_Result) = 0; \
|
---|
129 | } \
|
---|
130 | }
|
---|
131 |
|
---|
132 | #define FDDI_COMPARE_NETWORK_ADDRESSES_EQ(_A, _B, _Length, _Result) \
|
---|
133 | { \
|
---|
134 | if ((*(USHORT UNALIGNED *)(_A) == *(USHORT UNALIGNED *)(_B)) && \
|
---|
135 | (((_Length) == 2) || \
|
---|
136 | (*(ULONG UNALIGNED *)((PUCHAR)(_A) + 2) == *(ULONG UNALIGNED *)((PUCHAR)(_B) + 2)))) \
|
---|
137 | { \
|
---|
138 | *(_Result) = 0; \
|
---|
139 | } \
|
---|
140 | else \
|
---|
141 | { \
|
---|
142 | *(_Result) = 1; \
|
---|
143 | } \
|
---|
144 | }
|
---|
145 |
|
---|
146 | #define FDDI_COPY_NETWORK_ADDRESS(D, S, AddressLength) \
|
---|
147 | { \
|
---|
148 | PCHAR _D = (D); \
|
---|
149 | PCHAR _S = (S); \
|
---|
150 | UINT _C = (AddressLength); \
|
---|
151 | for ( ; _C > 0 ; _D++, _S++, _C--) \
|
---|
152 | { \
|
---|
153 | *_D = *_S; \
|
---|
154 | } \
|
---|
155 | }
|
---|
156 |
|
---|
157 | #define TR_LENGTH_OF_FUNCTIONAL 4
|
---|
158 | #define TR_LENGTH_OF_ADDRESS 6
|
---|
159 |
|
---|
160 | typedef ULONG TR_FUNCTIONAL_ADDRESS;
|
---|
161 | typedef ULONG TR_GROUP_ADDRESS;
|
---|
162 |
|
---|
163 | #define TR_IS_NOT_DIRECTED(_Address, _Result) \
|
---|
164 | { \
|
---|
165 | *(_Result) = (BOOLEAN)((_Address)[0] & 0x80); \
|
---|
166 | }
|
---|
167 |
|
---|
168 | #define TR_IS_FUNCTIONAL(_Address, _Result) \
|
---|
169 | { \
|
---|
170 | *(_Result) = (BOOLEAN)(((_Address)[0] & 0x80) && !((_Address)[2] & 0x80)); \
|
---|
171 | }
|
---|
172 |
|
---|
173 | #define TR_IS_GROUP(_Address, _Result) \
|
---|
174 | { \
|
---|
175 | *(_Result) = (BOOLEAN)((_Address)[0] & (_Address)[2] & 0x80); \
|
---|
176 | }
|
---|
177 |
|
---|
178 | #define TR_IS_SOURCE_ROUTING(_Address, _Result) \
|
---|
179 | { \
|
---|
180 | *(_Result) = (BOOLEAN)((_Address)[0] & 0x80); \
|
---|
181 | }
|
---|
182 |
|
---|
183 | #define TR_IS_MAC_FRAME(_PacketHeader) ((((PUCHAR)_PacketHeader)[1] & 0xFC) == 0)
|
---|
184 |
|
---|
185 | #define TR_IS_BROADCAST(_Address, _Result) \
|
---|
186 | { \
|
---|
187 | *(_Result) = (BOOLEAN)(((*(UNALIGNED USHORT *)&(_Address)[0] == 0xFFFF) || \
|
---|
188 | (*(UNALIGNED USHORT *)&(_Address)[0] == 0x00C0)) && \
|
---|
189 | (*(UNALIGNED ULONG *)&(_Address)[2] == 0xFFFFFFFF)); \
|
---|
190 | }
|
---|
191 |
|
---|
192 | #define TR_COMPARE_NETWORK_ADDRESSES(_A, _B, _Result) \
|
---|
193 | { \
|
---|
194 | if (*(ULONG UNALIGNED *)&(_A)[2] > *(ULONG UNALIGNED *)&(_B)[2]) \
|
---|
195 | { \
|
---|
196 | *(_Result) = 1; \
|
---|
197 | } \
|
---|
198 | else if (*(ULONG UNALIGNED *)&(_A)[2] < *(ULONG UNALIGNED *)&(_B)[2]) \
|
---|
199 | { \
|
---|
200 | *(_Result) = (UINT)-1; \
|
---|
201 | } \
|
---|
202 | else if (*(USHORT UNALIGNED *)(_A) > *(USHORT UNALIGNED *)(_B)) \
|
---|
203 | { \
|
---|
204 | *(_Result) = 1; \
|
---|
205 | } \
|
---|
206 | else if (*(USHORT UNALIGNED *)(_A) < *(USHORT UNALIGNED *)(_B)) \
|
---|
207 | { \
|
---|
208 | *(_Result) = (UINT)-1; \
|
---|
209 | } \
|
---|
210 | else \
|
---|
211 | { \
|
---|
212 | *(_Result) = 0; \
|
---|
213 | } \
|
---|
214 | }
|
---|
215 |
|
---|
216 | #define TR_COPY_NETWORK_ADDRESS(_D, _S) \
|
---|
217 | { \
|
---|
218 | *((ULONG UNALIGNED *)(_D)) = *((ULONG UNALIGNED *)(_S)); \
|
---|
219 | *((USHORT UNALIGNED *)((UCHAR *)(_D)+4)) = *((USHORT UNALIGNED *)((UCHAR *)(_S) + 4)); \
|
---|
220 | }
|
---|
221 |
|
---|
222 | #define TR_COMPARE_NETWORK_ADDRESSES_EQ(_A, _B, _Result) \
|
---|
223 | { \
|
---|
224 | if ((*(ULONG UNALIGNED *)&(_A)[2] == *(ULONG UNALIGNED *)&(_B)[2]) && \
|
---|
225 | (*(USHORT UNALIGNED *)&(_A)[0] == *(USHORT UNALIGNED *)&(_B)[0])) \
|
---|
226 | { \
|
---|
227 | *(_Result) = 0; \
|
---|
228 | } \
|
---|
229 | else \
|
---|
230 | { \
|
---|
231 | *(_Result) = 1; \
|
---|
232 | } \
|
---|
233 | }
|
---|
234 |
|
---|
235 | #ifdef __cplusplus
|
---|
236 | }
|
---|
237 | #endif
|
---|
238 |
|
---|
239 | #endif /* __XFILTER_H */
|
---|