1 use std::ffi::OsStr; 2 use std::sync::Arc; 3 4 use libc::{uid_t, gid_t}; 5 6 use base::{User, Group}; 7 8 9 /// Trait for producers of users. 10 pub trait Users { 11 12 /// Returns a `User` if one exists for the given user ID; otherwise, returns `None`. get_user_by_uid(&self, uid: uid_t) -> Option<Arc<User>>13 fn get_user_by_uid(&self, uid: uid_t) -> Option<Arc<User>>; 14 15 /// Returns a `User` if one exists for the given username; otherwise, returns `None`. get_user_by_name<S: AsRef<OsStr> + ?Sized>(&self, username: &S) -> Option<Arc<User>>16 fn get_user_by_name<S: AsRef<OsStr> + ?Sized>(&self, username: &S) -> Option<Arc<User>>; 17 18 /// Returns the user ID for the user running the process. get_current_uid(&self) -> uid_t19 fn get_current_uid(&self) -> uid_t; 20 21 /// Returns the username of the user running the process. get_current_username(&self) -> Option<Arc<OsStr>>22 fn get_current_username(&self) -> Option<Arc<OsStr>>; 23 24 /// Returns the effective user id. get_effective_uid(&self) -> uid_t25 fn get_effective_uid(&self) -> uid_t; 26 27 /// Returns the effective username. get_effective_username(&self) -> Option<Arc<OsStr>>28 fn get_effective_username(&self) -> Option<Arc<OsStr>>; 29 } 30 31 /// Trait for producers of groups. 32 pub trait Groups { 33 34 /// Returns a `Group` if one exists for the given group ID; otherwise, returns `None`. get_group_by_gid(&self, gid: gid_t) -> Option<Arc<Group>>35 fn get_group_by_gid(&self, gid: gid_t) -> Option<Arc<Group>>; 36 37 /// Returns a `Group` if one exists for the given groupname; otherwise, returns `None`. get_group_by_name<S: AsRef<OsStr> + ?Sized>(&self, group_name: &S) -> Option<Arc<Group>>38 fn get_group_by_name<S: AsRef<OsStr> + ?Sized>(&self, group_name: &S) -> Option<Arc<Group>>; 39 40 /// Returns the group ID for the user running the process. get_current_gid(&self) -> gid_t41 fn get_current_gid(&self) -> gid_t; 42 43 /// Returns the group name of the user running the process. get_current_groupname(&self) -> Option<Arc<OsStr>>44 fn get_current_groupname(&self) -> Option<Arc<OsStr>>; 45 46 /// Returns the effective group id. get_effective_gid(&self) -> gid_t47 fn get_effective_gid(&self) -> gid_t; 48 49 /// Returns the effective group name. get_effective_groupname(&self) -> Option<Arc<OsStr>>50 fn get_effective_groupname(&self) -> Option<Arc<OsStr>>; 51 } 52