| 1 | /*
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| 2 | * TAP-Win32 -- A kernel driver to provide virtual tap device functionality
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| 3 | * on Windows. Originally derived from the CIPE-Win32
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| 4 | * project by Damion K. Wilson, with extensive modifications by
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| 5 | * James Yonan.
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| 6 | *
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| 7 | * All source code which derives from the CIPE-Win32 project is
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| 8 | * Copyright (C) Damion K. Wilson, 2003, and is released under the
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| 9 | * GPL version 2 (see below).
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| 10 | *
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| 11 | * All other source code is Copyright (C) 2002-2005 OpenVPN Solutions LLC,
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| 12 | * and is released under the GPL version 2 (see below).
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| 13 | *
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| 14 | * This program is free software; you can redistribute it and/or modify
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| 15 | * it under the terms of the GNU General Public License version 2
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| 16 | * as published by the Free Software Foundation.
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| 17 | *
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| 18 | * This program is distributed in the hope that it will be useful,
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| 19 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 20 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 21 | * GNU General Public License for more details.
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| 22 | *
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| 23 | * You should have received a copy of the GNU General Public License
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| 24 | * along with this program (see the file COPYING included with this
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| 25 | * distribution); if not, write to the Free Software Foundation, Inc.,
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| 26 | * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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| 27 | */
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| 28 |
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| 29 | //-----------------
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| 30 | // DEBUGGING OUTPUT
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| 31 | //-----------------
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| 32 |
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| 33 | #define NOTE_ERROR() \
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| 34 | { \
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| 35 | g_LastErrorFilename = __FILE__; \
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| 36 | g_LastErrorLineNumber = __LINE__; \
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| 37 | }
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| 38 |
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| 39 |
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| 40 | #ifdef DEBUG
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| 41 | #define DEBUGP(fmt) { DbgPrint fmt; }
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| 42 | #else
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| 43 | #define DEBUGP(fmt)
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| 44 | #endif
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| 45 |
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| 46 | #if DBG
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| 47 |
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| 48 | typedef struct {
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| 49 | unsigned int in;
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| 50 | unsigned int out;
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| 51 | unsigned int capacity;
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| 52 | char *text;
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| 53 | BOOLEAN error;
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| 54 | MUTEX lock;
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| 55 | } DebugOutput;
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| 56 |
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| 57 | VOID MyDebugPrint (const unsigned char* format, ...);
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| 58 |
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| 59 | VOID MyAssert (const unsigned char *file, int line);
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| 60 |
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| 61 | VOID DumpPacket (const char *prefix,
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| 62 | const unsigned char *data,
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| 63 | unsigned int len);
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| 64 |
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| 65 | VOID DumpPacket2 (const char *prefix,
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| 66 | const ETH_HEADER *eth,
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| 67 | const unsigned char *data,
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| 68 | unsigned int len);
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| 69 |
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| 70 | #define CAN_WE_PRINT (DEBUGP_AT_DISPATCH || KeGetCurrentIrql () < DISPATCH_LEVEL)
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| 71 |
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| 72 | #if ALSO_DBGPRINT
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| 73 | #define DEBUGP(fmt) { DbgPrint fmt; if (CAN_WE_PRINT) DbgPrint fmt; }
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| 74 | #else
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| 75 | #define DEBUGP(fmt) { DbgPrint fmt; }
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| 76 | #endif
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| 77 |
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| 78 | #define MYASSERT(exp) \
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| 79 | { \
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| 80 | if (!(exp)) \
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| 81 | { \
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| 82 | MyAssert(__FILE__, __LINE__); \
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| 83 | } \
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| 84 | }
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| 85 |
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| 86 | #if DBG
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| 87 | #define DUMP_PACKET(prefix, data, len) \
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| 88 | DumpPacket (prefix, data, len)
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| 89 |
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| 90 | #define DUMP_PACKET2(prefix, eth, data, len) \
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| 91 | DumpPacket2 (prefix, eth, data, len)
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| 92 | #else
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| 93 | #define DUMP_PACKET(prefix, data, len)
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| 94 | #define DUMP_PACKET2(prefix, eth, data, len)
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| 95 | #endif
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| 96 |
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| 97 | #else
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| 98 |
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| 99 | #define MYASSERT(exp)
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| 100 | #define DUMP_PACKET(prefix, data, len)
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| 101 | #define DUMP_PACKET2(prefix, eth, data, len)
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| 102 |
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| 103 | #endif
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