nsbox 0.2.0

A lightweight sandbox runner for Linux
Documentation 
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extern crate nsbox;

use nix::unistd::{getgid, getpid, getuid};
use nsbox::{Config, NamespacesConfig, Sandbox};

#[test]
fn test_pid_namespace() {
    let cfg = Config {
        namespaces: NamespacesConfig {
            new_pid: true,
            ..Default::default()
        },
    };

    let mut sandbox = Sandbox::new(Some(cfg));

    let result = sandbox
        .run(|| {
            let pid = getpid();
            println!("PID inside sandbox: {}", pid);

            if pid.as_raw() != 1 {
                eprintln!("PID namespace test failed!");
                1
            } else {
                0
            }
        })
        .expect("Sandbox failed");

    println!("Sandbox exited with code: {}", result);
    assert_eq!(result, 0);
}

#[test]
fn test_user_namespace() {
    // `namespaces.new_user` should be set by default
    let mut sandbox = Sandbox::new(None);

    let result = sandbox
        .run(|| {
            let uid = getuid();
            let gid = getgid();
            println!("UID, GID inside sandbox: {}, {}", uid, gid);

            // Inside the sandbox, the UID and GID should both be 0
            if uid.as_raw() != 0 || gid.as_raw() != 0 {
                eprintln!("User namespace test failed!");
                1
            } else {
                0
            }
        })
        .expect("Sandbox failed");

    println!("Sandbox exited with code: {}", result);
    assert_eq!(result, 0);
}

#[test]
fn test_namespaces_config_defaults() {
    let cfg = NamespacesConfig::default();

    assert!(cfg.new_user);
}