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
|
// The following is a hexdump of a zip64 file containing the following files:
// zero4400: 4400 MB of zeroes
// zero100: 100 MB of zeroes
// zero4400_2: 4400 MB of zeroes
//
// 00000000 50 4b 03 04 2d 00 00 00 00 00 1b 6e 51 4d 66 82 |PK..-......nQMf.|
// 00000010 13 da ff ff ff ff ff ff ff ff 08 00 30 00 7a 65 |............0.ze|
// 00000020 72 6f 34 34 30 30 55 54 09 00 03 a5 21 c7 5b db |ro4400UT....!.[.|
// 00000030 21 c7 5b 75 78 0b 00 01 04 e8 03 00 00 04 e8 03 |!.[ux...........|
// 00000040 00 00 01 00 10 00 00 00 00 13 01 00 00 00 00 00 |................|
// 00000050 00 13 01 00 00 00 00 00 00 00 00 00 00 00 00 00 |................|
// 00000060 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................|
// *
// 113000050 00 00 00 00 00 00 50 4b 03 04 0a 00 00 00 00 00 |......PK........|
// 113000060 2b 6e 51 4d 98 23 28 4b 00 00 40 06 00 00 40 06 |+nQM.#(K..@...@.|
// 113000070 07 00 1c 00 7a 65 72 6f 31 30 30 55 54 09 00 03 |....zero100UT...|
// 113000080 c2 21 c7 5b c2 21 c7 5b 75 78 0b 00 01 04 e8 03 |.!.[.!.[ux......|
// 113000090 00 00 04 e8 03 00 00 00 00 00 00 00 00 00 00 00 |................|
// 1130000a0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................|
// *
// 119400090 00 00 00 00 00 00 00 50 4b 03 04 2d 00 00 00 00 |.......PK..-....|
// 1194000a0 00 3b 6e 51 4d 66 82 13 da ff ff ff ff ff ff ff |.;nQMf..........|
// 1194000b0 ff 0a 00 30 00 7a 65 72 6f 34 34 30 30 5f 32 55 |...0.zero4400_2U|
// 1194000c0 54 09 00 03 e2 21 c7 5b db 21 c7 5b 75 78 0b 00 |T....!.[.!.[ux..|
// 1194000d0 01 04 e8 03 00 00 04 e8 03 00 00 01 00 10 00 00 |................|
// 1194000e0 00 00 13 01 00 00 00 00 00 00 13 01 00 00 00 00 |................|
// 1194000f0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................|
// *
// 22c4000e0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 50 |...............P|
// 22c4000f0 4b 01 02 1e 03 2d 00 00 00 00 00 1b 6e 51 4d 66 |K....-......nQMf|
// 22c400100 82 13 da ff ff ff ff ff ff ff ff 08 00 2c 00 00 |.............,..|
// 22c400110 00 00 00 00 00 00 00 a4 81 00 00 00 00 7a 65 72 |.............zer|
// 22c400120 6f 34 34 30 30 55 54 05 00 03 a5 21 c7 5b 75 78 |o4400UT....!.[ux|
// 22c400130 0b 00 01 04 e8 03 00 00 04 e8 03 00 00 01 00 10 |................|
// 22c400140 00 00 00 00 13 01 00 00 00 00 00 00 13 01 00 00 |................|
// 22c400150 00 50 4b 01 02 1e 03 0a 00 00 00 00 00 2b 6e 51 |.PK..........+nQ|
// 22c400160 4d 98 23 28 4b 00 00 40 06 00 00 40 06 07 00 24 |M.#(K..@...@...$|
// 22c400170 00 00 00 00 00 00 00 00 00 a4 81 ff ff ff ff 7a |...............z|
// 22c400180 65 72 6f 31 30 30 55 54 05 00 03 c2 21 c7 5b 75 |ero100UT....!.[u|
// 22c400190 78 0b 00 01 04 e8 03 00 00 04 e8 03 00 00 01 00 |x...............|
// 22c4001a0 08 00 56 00 00 13 01 00 00 00 50 4b 01 02 1e 03 |..V.......PK....|
// 22c4001b0 2d 00 00 00 00 00 3b 6e 51 4d 66 82 13 da ff ff |-.....;nQMf.....|
// 22c4001c0 ff ff ff ff ff ff 0a 00 34 00 00 00 00 00 00 00 |........4.......|
// 22c4001d0 00 00 a4 81 ff ff ff ff 7a 65 72 6f 34 34 30 30 |........zero4400|
// 22c4001e0 5f 32 55 54 05 00 03 e2 21 c7 5b 75 78 0b 00 01 |_2UT....!.[ux...|
// 22c4001f0 04 e8 03 00 00 04 e8 03 00 00 01 00 18 00 00 00 |................|
// 22c400200 00 13 01 00 00 00 00 00 00 13 01 00 00 00 97 00 |................|
// 22c400210 40 19 01 00 00 00 50 4b 06 06 2c 00 00 00 00 00 |@.....PK..,.....|
// 22c400220 00 00 1e 03 2d 00 00 00 00 00 00 00 00 00 03 00 |....-...........|
// 22c400230 00 00 00 00 00 00 03 00 00 00 00 00 00 00 27 01 |..............'.|
// 22c400240 00 00 00 00 00 00 ef 00 40 2c 02 00 00 00 50 4b |........@,....PK|
// 22c400250 06 07 00 00 00 00 16 02 40 2c 02 00 00 00 01 00 |........@,......|
// 22c400260 00 00 50 4b 05 06 00 00 00 00 03 00 03 00 27 01 |..PK..........'.|
// 22c400270 00 00 ff ff ff ff 00 00 |........|
// 22c400278
use std::io::{self, Read, Seek, SeekFrom};
const BLOCK1_LENGTH: u64 = 0x60;
const BLOCK1: [u8; BLOCK1_LENGTH as usize] = [
0x50, 0x4b, 0x03, 0x04, 0x2d, 0x00, 0x00, 0x00, 0x00, 0x00, 0x1b, 0x6e, 0x51, 0x4d, 0x66, 0x82,
0x13, 0xda, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x08, 0x00, 0x30, 0x00, 0x7a, 0x65,
0x72, 0x6f, 0x34, 0x34, 0x30, 0x30, 0x55, 0x54, 0x09, 0x00, 0x03, 0xa5, 0x21, 0xc7, 0x5b, 0xdb,
0x21, 0xc7, 0x5b, 0x75, 0x78, 0x0b, 0x00, 0x01, 0x04, 0xe8, 0x03, 0x00, 0x00, 0x04, 0xe8, 0x03,
0x00, 0x00, 0x01, 0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x13, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x13, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
];
const BLOCK2_LENGTH: u64 = 0x50;
const BLOCK2: [u8; BLOCK2_LENGTH as usize] = [
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x50, 0x4b, 0x03, 0x04, 0x0a, 0x00, 0x00, 0x00, 0x00, 0x00,
0x2b, 0x6e, 0x51, 0x4d, 0x98, 0x23, 0x28, 0x4b, 0x00, 0x00, 0x40, 0x06, 0x00, 0x00, 0x40, 0x06,
0x07, 0x00, 0x1c, 0x00, 0x7a, 0x65, 0x72, 0x6f, 0x31, 0x30, 0x30, 0x55, 0x54, 0x09, 0x00, 0x03,
0xc2, 0x21, 0xc7, 0x5b, 0xc2, 0x21, 0xc7, 0x5b, 0x75, 0x78, 0x0b, 0x00, 0x01, 0x04, 0xe8, 0x03,
0x00, 0x00, 0x04, 0xe8, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
];
const BLOCK3_LENGTH: u64 = 0x60;
const BLOCK3: [u8; BLOCK3_LENGTH as usize] = [
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x50, 0x4b, 0x03, 0x04, 0x2d, 0x00, 0x00, 0x00, 0x00,
0x00, 0x3b, 0x6e, 0x51, 0x4d, 0x66, 0x82, 0x13, 0xda, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0x0a, 0x00, 0x30, 0x00, 0x7a, 0x65, 0x72, 0x6f, 0x34, 0x34, 0x30, 0x30, 0x5f, 0x32, 0x55,
0x54, 0x09, 0x00, 0x03, 0xe2, 0x21, 0xc7, 0x5b, 0xdb, 0x21, 0xc7, 0x5b, 0x75, 0x78, 0x0b, 0x00,
0x01, 0x04, 0xe8, 0x03, 0x00, 0x00, 0x04, 0xe8, 0x03, 0x00, 0x00, 0x01, 0x00, 0x10, 0x00, 0x00,
0x00, 0x00, 0x13, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x13, 0x01, 0x00, 0x00, 0x00, 0x00,
];
const BLOCK4_LENGTH: u64 = 0x198;
const BLOCK4: [u8; BLOCK4_LENGTH as usize] = [
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x50,
0x4b, 0x01, 0x02, 0x1e, 0x03, 0x2d, 0x00, 0x00, 0x00, 0x00, 0x00, 0x1b, 0x6e, 0x51, 0x4d, 0x66,
0x82, 0x13, 0xda, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x08, 0x00, 0x2c, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xa4, 0x81, 0x00, 0x00, 0x00, 0x00, 0x7a, 0x65, 0x72,
0x6f, 0x34, 0x34, 0x30, 0x30, 0x55, 0x54, 0x05, 0x00, 0x03, 0xa5, 0x21, 0xc7, 0x5b, 0x75, 0x78,
0x0b, 0x00, 0x01, 0x04, 0xe8, 0x03, 0x00, 0x00, 0x04, 0xe8, 0x03, 0x00, 0x00, 0x01, 0x00, 0x10,
0x00, 0x00, 0x00, 0x00, 0x13, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x13, 0x01, 0x00, 0x00,
0x00, 0x50, 0x4b, 0x01, 0x02, 0x1e, 0x03, 0x0a, 0x00, 0x00, 0x00, 0x00, 0x00, 0x2b, 0x6e, 0x51,
0x4d, 0x98, 0x23, 0x28, 0x4b, 0x00, 0x00, 0x40, 0x06, 0x00, 0x00, 0x40, 0x06, 0x07, 0x00, 0x24,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xa4, 0x81, 0xff, 0xff, 0xff, 0xff, 0x7a,
0x65, 0x72, 0x6f, 0x31, 0x30, 0x30, 0x55, 0x54, 0x05, 0x00, 0x03, 0xc2, 0x21, 0xc7, 0x5b, 0x75,
0x78, 0x0b, 0x00, 0x01, 0x04, 0xe8, 0x03, 0x00, 0x00, 0x04, 0xe8, 0x03, 0x00, 0x00, 0x01, 0x00,
0x08, 0x00, 0x56, 0x00, 0x00, 0x13, 0x01, 0x00, 0x00, 0x00, 0x50, 0x4b, 0x01, 0x02, 0x1e, 0x03,
0x2d, 0x00, 0x00, 0x00, 0x00, 0x00, 0x3b, 0x6e, 0x51, 0x4d, 0x66, 0x82, 0x13, 0xda, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x0a, 0x00, 0x34, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0xa4, 0x81, 0xff, 0xff, 0xff, 0xff, 0x7a, 0x65, 0x72, 0x6f, 0x34, 0x34, 0x30, 0x30,
0x5f, 0x32, 0x55, 0x54, 0x05, 0x00, 0x03, 0xe2, 0x21, 0xc7, 0x5b, 0x75, 0x78, 0x0b, 0x00, 0x01,
0x04, 0xe8, 0x03, 0x00, 0x00, 0x04, 0xe8, 0x03, 0x00, 0x00, 0x01, 0x00, 0x18, 0x00, 0x00, 0x00,
0x00, 0x13, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x13, 0x01, 0x00, 0x00, 0x00, 0x97, 0x00,
0x40, 0x19, 0x01, 0x00, 0x00, 0x00, 0x50, 0x4b, 0x06, 0x06, 0x2c, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x1e, 0x03, 0x2d, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x27, 0x01,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xef, 0x00, 0x40, 0x2c, 0x02, 0x00, 0x00, 0x00, 0x50, 0x4b,
0x06, 0x07, 0x00, 0x00, 0x00, 0x00, 0x16, 0x02, 0x40, 0x2c, 0x02, 0x00, 0x00, 0x00, 0x01, 0x00,
0x00, 0x00, 0x50, 0x4b, 0x05, 0x06, 0x00, 0x00, 0x00, 0x00, 0x03, 0x00, 0x03, 0x00, 0x27, 0x01,
0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0x00, 0x00,
];
const BLOCK1_START: u64 = 0x000000000;
const BLOCK2_START: u64 = 0x113000050;
const BLOCK3_START: u64 = 0x119400090;
const BLOCK4_START: u64 = 0x22c4000e0;
const BLOCK1_END: u64 = BLOCK1_START + BLOCK1_LENGTH - 1;
const BLOCK2_END: u64 = BLOCK2_START + BLOCK2_LENGTH - 1;
const BLOCK3_END: u64 = BLOCK3_START + BLOCK3_LENGTH - 1;
const BLOCK4_END: u64 = BLOCK4_START + BLOCK4_LENGTH - 1;
const TOTAL_LENGTH: u64 = BLOCK4_START + BLOCK4_LENGTH;
struct Zip64File {
pointer: u64,
}
impl Zip64File {
fn new() -> Self {
Zip64File { pointer: 0 }
}
}
impl Seek for Zip64File {
fn seek(&mut self, pos: SeekFrom) -> io::Result<u64> {
match pos {
SeekFrom::Start(offset) => {
self.pointer = offset;
}
SeekFrom::End(offset) => {
if offset > 0 || offset < -(TOTAL_LENGTH as i64) {
return Err(io::Error::new(io::ErrorKind::Other, "Invalid seek offset"));
}
self.pointer = (TOTAL_LENGTH as i64 + offset) as u64;
}
SeekFrom::Current(offset) => {
let seekpos = self.pointer as i64 + offset;
if seekpos < 0 || seekpos as u64 > TOTAL_LENGTH {
return Err(io::Error::new(io::ErrorKind::Other, "Invalid seek offset"));
}
self.pointer = seekpos as u64;
}
}
Ok(self.pointer)
}
}
impl Read for Zip64File {
fn read(&mut self, buf: &mut [u8]) -> io::Result<usize> {
if self.pointer >= TOTAL_LENGTH {
return Ok(0);
}
match self.pointer {
BLOCK1_START..=BLOCK1_END => {
buf[0] = BLOCK1[(self.pointer - BLOCK1_START) as usize];
}
BLOCK2_START..=BLOCK2_END => {
buf[0] = BLOCK2[(self.pointer - BLOCK2_START) as usize];
}
BLOCK3_START..=BLOCK3_END => {
buf[0] = BLOCK3[(self.pointer - BLOCK3_START) as usize];
}
BLOCK4_START..=BLOCK4_END => {
buf[0] = BLOCK4[(self.pointer - BLOCK4_START) as usize];
}
_ => {
buf[0] = 0;
}
}
self.pointer += 1;
Ok(1)
}
}
#[test]
fn zip64_large() {
let zipfile = Zip64File::new();
let mut archive = zip::ZipArchive::new(zipfile).unwrap();
let mut buf = [0u8; 32];
for i in 0..archive.len() {
let mut file = archive.by_index(i).unwrap();
let outpath = file.enclosed_name().unwrap();
println!(
"Entry {} has name \"{}\" ({} bytes)",
i,
outpath.display(),
file.size()
);
match file.read_exact(&mut buf) {
Ok(()) => println!("The first {} bytes are: {:?}", buf.len(), buf),
Err(e) => println!("Could not read the file: {:?}", e),
};
}
}
|
