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
|
/*
* cryptsetup LUKS2 custom mutator
*
* Copyright (C) 2022-2024 Daniel Zatovic <daniel.zatovic@gmail.com>
* Copyright (C) 2022-2024 Red Hat, Inc. All rights reserved.
*
* This program 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 2
* of the License, or (at your option) any later version.
*
* 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; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
syntax = "proto2";
package json_proto;
// ---------------------------------------------------------------------------
// ----------------------------- GENERIC OBJECTS -----------------------------
// ---------------------------------------------------------------------------
message object_id {
oneof id {
// int_id will be mapped to range -16 to 16 (mod 33)
// this way iy should be easier to generate valid
// object cross-references
uint32 int_id = 1;
string string_id = 2;
}
}
message string_uint64 {
required bool negative = 1;
oneof number {
uint32 uint_num = 2;
string string_num = 3;
}
}
enum hash_algorithm {
HASH_ALG_SHA1 = 1;
HASH_ALG_SHA256 = 2;
}
// ---------------------------------------------------------------------------
// ----------------------------- BINARY HEADER -------------------------------
// ---------------------------------------------------------------------------
enum luks2_magic {
INVALID = 0;
FIRST = 1;
SECOND = 2;
}
enum luks_version {
ONE = 1;
TWO = 2;
THREE = 3;
}
// we limit the size to 64KiB to make the fuzzing faster
// because the checksum needs to be calculated for the whole image
enum hdr_size {
size_16_KB = 16384;
size_32_KB = 32768;
size_64_KB = 65536;
// size_128_KB = 131072;
// size_256_KB = 262144;
// size_512_KB = 524288;
// size_1_MB = 1048576;
// size_2_MB = 2097152;
// size_4_MB = 4194304;
}
enum seqid_description {
PRIMARY_GREATER = 0;
SECONDARY_GREATER = 1;
EQUAL = 2;
}
// message luks2_hdr_disk {
// char magic[LUKS2_MAGIC_L];
// //uint16_t version; /* Version 2 */
// uint64_t hdr_size; /* in bytes, including JSON area */
// uint64_t seqid; /* increased on every update */
// char label[LUKS2_LABEL_L];
// char checksum_alg[LUKS2_CHECKSUM_ALG_L];
// uint8_t salt[LUKS2_SALT_L]; /* unique for every header/offset */
// char uuid[LUKS2_UUID_L];
// char subsystem[LUKS2_LABEL_L]; /* owner subsystem label */
// uint64_t hdr_offset; /* offset from device start in bytes */
// char _padding[184];
// uint8_t csum[LUKS2_CHECKSUM_L];
// }
message LUKS2_header {
required luks_version version = 1;
required luks2_magic magic = 2;
required hdr_size hdr_size = 3;
required bool use_correct_checksum = 4;
optional uint64 selected_offset = 5;
}
message LUKS2_both_headers {
required LUKS2_header primary_header = 1;
required LUKS2_header secondary_header = 2;
required seqid_description seqid = 3;
required JsonObject json_area = 4;
}
message JsonObject {
required string name = 1;
required JsonValue value = 2;
}
message JsonValue {
oneof value {
// Json value types:
// null: null, will be used when 'oneof' contains nothing
// object: another json object of any type
JsonObject object_value = 1;
// array: an array of values
ArrayValue array_value = 2;
// number: can be an integer, a float, an exponent
NumberValue number_value = 3;
// string: unicode string
StringValue string_value = 4;
// boolean: true or talse
BooleanValue boolean_value = 5;
}
}
message ArrayValue {
repeated JsonValue value = 1;
}
message NumberInteger {
required int64 value = 1;
}
message NumberFloat {
required double value = 1;
}
message NumberExponent {
required int32 base = 1;
required int32 exponent = 2;
required bool use_uppercase = 3;
}
message NumberExponentFrac {
required float base = 1;
required int32 exponent = 2;
required bool use_uppercase = 3;
}
message NumberValue {
required NumberInteger integer_value = 1;
// integer_value is used when oneof field below has nothing.
oneof value {
NumberFloat float_value = 2;
NumberExponent exponent_value = 3;
NumberExponentFrac exponent_frac_value = 4;
}
}
message StringValue {
required string value = 1;
}
message BooleanValue {
required bool value = 1;
}
|
