rustpython_host_env/
pwd.rs

1use nix::unistd::{self, User};
2use std::io;
3
4#[derive(Debug, Clone)]
5pub struct Passwd {
6    pub name: String,
7    pub passwd: String,
8    pub uid: u32,
9    pub gid: u32,
10    pub gecos: String,
11    pub dir: String,
12    pub shell: String,
13}
14
15impl From<User> for Passwd {
16    fn from(user: User) -> Self {
17        let cstr_lossy = |s: alloc::ffi::CString| {
18            s.into_string()
19                .unwrap_or_else(|e| e.into_cstring().to_string_lossy().into_owned())
20        };
21        let pathbuf_lossy = |p: std::path::PathBuf| {
22            p.into_os_string()
23                .into_string()
24                .unwrap_or_else(|s| s.to_string_lossy().into_owned())
25        };
26        Self {
27            name: user.name,
28            passwd: cstr_lossy(user.passwd),
29            uid: user.uid.as_raw(),
30            gid: user.gid.as_raw(),
31            gecos: cstr_lossy(user.gecos),
32            dir: pathbuf_lossy(user.dir),
33            shell: pathbuf_lossy(user.shell),
34        }
35    }
36}
37
38pub fn getpwnam(name: &str) -> Option<Passwd> {
39    User::from_name(name).ok().flatten().map(Into::into)
40}
41
42pub fn getpwuid(uid: libc::uid_t) -> io::Result<Option<Passwd>> {
43    User::from_uid(unistd::Uid::from_raw(uid))
44        .map(|user| user.map(Into::into))
45        .map_err(io::Error::from)
46}
47
48#[cfg(not(target_os = "android"))]
49pub fn getpwall() -> Vec<Passwd> {
50    static GETPWALL: parking_lot::Mutex<()> = parking_lot::Mutex::new(());
51    let _guard = GETPWALL.lock();
52    let mut list = Vec::new();
53
54    unsafe { libc::setpwent() };
55    while let Some(ptr) = core::ptr::NonNull::new(unsafe { libc::getpwent() }) {
56        list.push(User::from(unsafe { ptr.as_ref() }).into());
57    }
58    unsafe { libc::endpwent() };
59
60    list
61}
rustpython_host_env/pwd.rs

rustpython_host_env/
pwd.rs
