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extern crate uzers;
use uzers::mock::MockUsers;
use uzers::{AllGroups, Group, Groups, UsersCache, UsersSnapshot};
fn iter_aware<G: Groups + AllGroups>(g: &G) {
println!("All groups:");
for group in g.get_all_groups() {
println!("- {group:?}");
}
no_iter(g);
}
fn no_iter<G: Groups>(g: &G) {
let me = g.get_current_groupname();
let root = g.get_group_by_gid(0);
println!("My group is {me:?}, gid 0 is {root:?}");
}
fn main() {
env_logger::init();
// UsersCache can only be used with `no_iter`
println!("\n--- UsersCache ---");
no_iter(&UsersCache::new());
// UsersSnapshot can be used with both `no_iter` and `iter_aware`
println!("\n--- UsersSnapshot: all groups ---");
no_iter(unsafe { &UsersSnapshot::new() });
println!("\n--- UsersSnapshot: primary groups of some system users ---");
iter_aware(unsafe { &UsersSnapshot::only_users(|u| u.uid() < 10) });
// MockUsers can be used with both `no_iter` and `iter_aware`
println!("\n--- MockUsers ---");
let mut mock = MockUsers::with_current_uid(1000);
mock.add_group(Group::new(1000, "fred"));
mock.add_group(Group::new(0, "r00t"));
iter_aware(&mock);
}
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