unifier/
chroot.rs

1//! Chroot administration: isolated subtrees under `chroots/<name>/`.
2
3use std::fs;
4use std::path::Path;
5
6use crate::constants::{CHROOTS, CRON, KEYS, MAILBOX, SQLITE};
7use crate::error::{Error, Result};
8use crate::scope::validate_chroot_name;
9
10pub fn init_chroot(global_root: &Path, name: &str) -> Result<()> {
11    validate_chroot_name(name)?;
12    let base = global_root.join(CHROOTS).join(name);
13    if base.exists() {
14        return Err(Error::msg(format!("chroot already exists: {name}")));
15    }
16    for sub in [KEYS, MAILBOX, CRON, SQLITE] {
17        fs::create_dir_all(base.join(sub))?;
18    }
19    Ok(())
20}
21
22pub fn list_chroots(global_root: &Path) -> Result<Vec<String>> {
23    let dir = global_root.join(CHROOTS);
24    if !dir.is_dir() {
25        return Ok(Vec::new());
26    }
27    let mut names = Vec::new();
28    for entry in fs::read_dir(&dir)? {
29        let entry = entry?;
30        if entry.file_type()?.is_dir() {
31            names.push(entry.file_name().to_string_lossy().into_owned());
32        }
33    }
34    names.sort();
35    Ok(names)
36}
unifier/chroot.rs

unifier/
chroot.rs
