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
|
/*
* Copyright (C) 2010-2011 Mamadou Diop.
*
* Contact: Mamadou Diop <diopmamadou(at)doubango[dot]org>
*
* This file is part of Open Source Doubango Framework.
*
* DOUBANGO is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* DOUBANGO 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 DOUBANGO.
*
*/
/**@file tsk_binaryutils.h
* @brief Binary utils.
*
* @author Mamadou Diop <diopmamadou(at)doubango[dot]org>
*
*/
#ifndef _TINYSAK_BINARYUTILS_H_
#define _TINYSAK_BINARYUTILS_H_
#include "tinysak_config.h"
#include <stdio.h>
TSK_BEGIN_DECLS
/**@ingroup tsk_binaryutils_group
* Reverse (bit per bit) a 2-byte value.
* @param value The 2-byte value to reverse.
*/
#define TSK_BINARY_REVERSE_2BYTE(value) ((Tsk_BitReverseTable256[value & 0xff] << 8) | (Tsk_BitReverseTable256[(value >> 8)]))
/**@ingroup tsk_binaryutils_group
* Converts to uint8_t pointer.
*/
#define TSK_TO_U8(buffer) ((uint8_t*)buffer)
/**@ingroup tsk_binaryutils_group
* Gets the value of the fist byte.
*/
#define TSK_BINARY_GET_1BYTE(buffer) *TSK_TO_U8(buffer)// 1-byte
/**@ingroup tsk_binaryutils_group
* Converts from Little to Big endian.
*/
static uint16_t TSK_LSB_2_MSB( void const * buffer )
{
const uint8_t* dummy = (const uint8_t*)buffer;
return ( ((uint16_t)dummy[0] << 8) | dummy[1] );
}
/**@ingroup tsk_binaryutils_group
* @def TSK_BINARY_GET_2BYTES
* Gets the first 2-bytes value.
*/
/**@ingroup tsk_binaryutils_group
* @def TSK_BINARY_SET_2BYTES
* Sets the first 2-bytes value.
*/
#if 0 /*BIG_ENDIAN*/// Do not change this (it's for my own tests)
# define TSK_BINARY_GET_2BYTES(buffer) *((uint16_t*)buffer)
# define TSK_BINARY_SET_2BYTES(buffer, value) *((uint16_t*)buffer)=value
#else
# define TSK_BINARY_GET_2BYTES(buffer) TSK_LSB_2_MSB(buffer)
# define TSK_BINARY_SET_2BYTES(buffer, value) \
{uint16_t __value__ = value; \
uint8_t*__buffer__ = buffer; \
(__buffer__[0]) = (__value__ >> 8); \
(__buffer__[1]) = (__value__ & 0xff);}
#endif
/////////////////////////////////////////////////////////
/////////////////////////////////////////////////////////
/////////////////////////////////////////////////////////
// RFC 3320 - 7.3. Uploading UDVM bytecode
static const uint16_t sigcomp_encoding_destination[]
= { 0, 128, 192, 256, 320, 384, 448, 512, 576, 640, 704, 768, 832, 896, 960, 1024 };
// RFC 3320 - 7.2. Accessing Stored State
static const uint8_t sigcomp_encoding_partial_id_length[]
= { 0, 6, 9, 12 };
// RFC 3320 - 3.3.1. Memory Size and UDVM Cycles
static const uint8_t sigcomp_encoding_cycles_per_bit[]
= { 16, 32, 64, 128 };
static const uint32_t sigcomp_encoding_state_memory_size[]
= { 0, 2048, 4096, 8192, 16384, 32768, 65536, 131072 };
static const uint32_t sigcomp_encoding_decompression_memory_size[]
= { 0, 2048, 4096, 8192, 16384, 32768, 65536, 131072 }; // the bit pattern 000 cannot be used.
// 3.3.1. Memory Size and UDVM Cycles
// 3.3. SigComp Parameters
static const uint8_t sigcomp_encoding_cpb[]
= { 16, 32, 64, 128 };
static const uint32_t sigcomp_encoding_sms[]
= { 0, 2048, 4096, 8192, 16384, 32768, 65536, 131072 };
static const uint32_t sigcomp_encoding_dms[]
= { 0, 2048, 4096, 8192, 16384, 32768, 65536, 131072 }; // the bit pattern 000 cannot be used.
// RFC 3320: Figure 10: Bytecode for a multitype (%) operand
static const int8_t operand_multitype_indexes [256] = {
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
9,
10,
-1, -1, -1, -1,
3, 3,
4, 4, 4, 4, 4, 4, 4, 4,
6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6,
7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7,
8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5
};
// Used LSB<->MSB bits reverse/swap
/**@ingroup tsk_binaryutils_group
* Lookup table for bit reversing.
*/
static const unsigned char Tsk_BitReverseTable256[] = {
0x00, 0x80, 0x40, 0xC0, 0x20, 0xA0, 0x60, 0xE0, 0x10, 0x90, 0x50, 0xD0, 0x30, 0xB0, 0x70, 0xF0,
0x08, 0x88, 0x48, 0xC8, 0x28, 0xA8, 0x68, 0xE8, 0x18, 0x98, 0x58, 0xD8, 0x38, 0xB8, 0x78, 0xF8,
0x04, 0x84, 0x44, 0xC4, 0x24, 0xA4, 0x64, 0xE4, 0x14, 0x94, 0x54, 0xD4, 0x34, 0xB4, 0x74, 0xF4,
0x0C, 0x8C, 0x4C, 0xCC, 0x2C, 0xAC, 0x6C, 0xEC, 0x1C, 0x9C, 0x5C, 0xDC, 0x3C, 0xBC, 0x7C, 0xFC,
0x02, 0x82, 0x42, 0xC2, 0x22, 0xA2, 0x62, 0xE2, 0x12, 0x92, 0x52, 0xD2, 0x32, 0xB2, 0x72, 0xF2,
0x0A, 0x8A, 0x4A, 0xCA, 0x2A, 0xAA, 0x6A, 0xEA, 0x1A, 0x9A, 0x5A, 0xDA, 0x3A, 0xBA, 0x7A, 0xFA,
0x06, 0x86, 0x46, 0xC6, 0x26, 0xA6, 0x66, 0xE6, 0x16, 0x96, 0x56, 0xD6, 0x36, 0xB6, 0x76, 0xF6,
0x0E, 0x8E, 0x4E, 0xCE, 0x2E, 0xAE, 0x6E, 0xEE, 0x1E, 0x9E, 0x5E, 0xDE, 0x3E, 0xBE, 0x7E, 0xFE,
0x01, 0x81, 0x41, 0xC1, 0x21, 0xA1, 0x61, 0xE1, 0x11, 0x91, 0x51, 0xD1, 0x31, 0xB1, 0x71, 0xF1,
0x09, 0x89, 0x49, 0xC9, 0x29, 0xA9, 0x69, 0xE9, 0x19, 0x99, 0x59, 0xD9, 0x39, 0xB9, 0x79, 0xF9,
0x05, 0x85, 0x45, 0xC5, 0x25, 0xA5, 0x65, 0xE5, 0x15, 0x95, 0x55, 0xD5, 0x35, 0xB5, 0x75, 0xF5,
0x0D, 0x8D, 0x4D, 0xCD, 0x2D, 0xAD, 0x6D, 0xED, 0x1D, 0x9D, 0x5D, 0xDD, 0x3D, 0xBD, 0x7D, 0xFD,
0x03, 0x83, 0x43, 0xC3, 0x23, 0xA3, 0x63, 0xE3, 0x13, 0x93, 0x53, 0xD3, 0x33, 0xB3, 0x73, 0xF3,
0x0B, 0x8B, 0x4B, 0xCB, 0x2B, 0xAB, 0x6B, 0xEB, 0x1B, 0x9B, 0x5B, 0xDB, 0x3B, 0xBB, 0x7B, 0xFB,
0x07, 0x87, 0x47, 0xC7, 0x27, 0xA7, 0x67, 0xE7, 0x17, 0x97, 0x57, 0xD7, 0x37, 0xB7, 0x77, 0xF7,
0x0F, 0x8F, 0x4F, 0xCF, 0x2F, 0xAF, 0x6F, 0xEF, 0x1F, 0x9F, 0x5F, 0xDF, 0x3F, 0xBF, 0x7F, 0xFF
};
TSK_END_DECLS
#endif /* _TINYSAK_BINARYUTILS_H_ */
|
