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
212
213
214
|
// This file is part of the uutils coreutils package.
//
// For the full copyright and license information, please view the LICENSE
// file that was distributed with this source code.
// spell-checker:ignore STRINGSTRING INTEGERINTEGER FILEFILE
#![no_main]
use libfuzzer_sys::fuzz_target;
use uu_test::uumain;
use rand::Rng;
use rand::prelude::IndexedRandom;
use std::ffi::OsString;
use uufuzz::CommandResult;
use uufuzz::{compare_result, generate_and_run_uumain, generate_random_string, run_gnu_cmd};
#[allow(clippy::upper_case_acronyms)]
#[derive(PartialEq, Debug, Clone)]
enum ArgType {
STRING,
STRINGSTRING,
INTEGER,
INTEGERINTEGER,
FILE,
FILEFILE,
// Add any other types as needed
}
static CMD_PATH: &str = "test";
#[derive(Debug, Clone)]
struct TestArg {
arg: String,
arg_type: ArgType,
}
fn generate_random_path(rng: &mut dyn rand::RngCore) -> &'static str {
match rng.random_range(0..=3) {
0 => "/dev/null",
1 => "/dev/random",
2 => "/tmp",
_ => "/dev/urandom",
}
}
fn generate_test_args() -> Vec<TestArg> {
vec![
TestArg {
arg: "-z".to_string(),
arg_type: ArgType::STRING,
},
TestArg {
arg: "-n".to_string(),
arg_type: ArgType::STRING,
},
TestArg {
arg: "=".to_string(),
arg_type: ArgType::STRINGSTRING,
},
TestArg {
arg: "!=".to_string(),
arg_type: ArgType::STRINGSTRING,
},
TestArg {
arg: ">".to_string(),
arg_type: ArgType::STRINGSTRING,
},
TestArg {
arg: "<".to_string(),
arg_type: ArgType::STRINGSTRING,
},
TestArg {
arg: "-eq".to_string(),
arg_type: ArgType::INTEGERINTEGER,
},
TestArg {
arg: "-ne".to_string(),
arg_type: ArgType::INTEGERINTEGER,
},
TestArg {
arg: "-gt".to_string(),
arg_type: ArgType::INTEGERINTEGER,
},
TestArg {
arg: "-ge".to_string(),
arg_type: ArgType::INTEGERINTEGER,
},
TestArg {
arg: "-lt".to_string(),
arg_type: ArgType::INTEGERINTEGER,
},
TestArg {
arg: "-le".to_string(),
arg_type: ArgType::INTEGERINTEGER,
},
TestArg {
arg: "-f".to_string(),
arg_type: ArgType::FILE,
},
TestArg {
arg: "-d".to_string(),
arg_type: ArgType::FILE,
},
TestArg {
arg: "-e".to_string(),
arg_type: ArgType::FILE,
},
TestArg {
arg: "-ef".to_string(),
arg_type: ArgType::FILEFILE,
},
TestArg {
arg: "-nt".to_string(),
arg_type: ArgType::FILEFILE,
},
]
}
fn generate_test_arg() -> String {
let mut rng = rand::rng();
let test_args = generate_test_args();
let mut arg = String::new();
let choice = rng.random_range(0..=5);
match choice {
0 => {
arg.push_str(&rng.random_range(-100..=100).to_string());
}
1..=3 => {
let test_arg = test_args
.choose(&mut rng)
.expect("Failed to choose a random test argument");
if test_arg.arg_type == ArgType::INTEGER {
arg.push_str(&format!(
"{} {} {}",
rng.random_range(-100..=100),
test_arg.arg,
rng.random_range(-100..=100)
));
} else if test_arg.arg_type == ArgType::STRINGSTRING {
let random_str = generate_random_string(rng.random_range(1..=10));
let random_str2 = generate_random_string(rng.random_range(1..=10));
arg.push_str(&format!("{random_str} {} {random_str2}", test_arg.arg));
} else if test_arg.arg_type == ArgType::STRING {
let random_str = generate_random_string(rng.random_range(1..=10));
arg.push_str(&format!("{} {random_str}", test_arg.arg));
} else if test_arg.arg_type == ArgType::FILEFILE {
let path = generate_random_path(&mut rng);
let path2 = generate_random_path(&mut rng);
arg.push_str(&format!("{path} {} {path2}", test_arg.arg));
} else if test_arg.arg_type == ArgType::FILE {
let path = generate_random_path(&mut rng);
arg.push_str(&format!("{} {path}", test_arg.arg));
}
}
4 => {
let random_str = generate_random_string(rng.random_range(1..=10));
arg.push_str(&random_str);
}
_ => {
let path = generate_random_path(&mut rng);
let file_test_args: Vec<TestArg> = test_args
.iter()
.filter(|ta| ta.arg_type == ArgType::FILE)
.cloned()
.collect();
if let Some(test_arg) = file_test_args.choose(&mut rng) {
arg.push_str(&format!("{}{path}", test_arg.arg));
}
}
}
arg
}
fuzz_target!(|_data: &[u8]| {
let mut rng = rand::rng();
let max_args = rng.random_range(1..=6);
let mut args = vec![OsString::from("test")];
for _ in 0..max_args {
args.push(OsString::from(generate_test_arg()));
}
let rust_result = generate_and_run_uumain(&args, uumain, None);
let gnu_result = match run_gnu_cmd(CMD_PATH, &args[1..], false, None) {
Ok(result) => result,
Err(error_result) => {
eprintln!("Failed to run GNU command:");
eprintln!("Stderr: {}", error_result.stderr);
eprintln!("Exit Code: {}", error_result.exit_code);
CommandResult {
stdout: String::new(),
stderr: error_result.stderr,
exit_code: error_result.exit_code,
}
}
};
compare_result(
"test",
&format!("{:?}", &args[1..]),
None,
&rust_result,
&gnu_result,
false, // Set to true if you want to fail on stderr diff
);
});
|
