#![deny(warnings, clippy::all)]
#![warn(missing_docs)]
#[must_use]
pub fn is_root() -> bool {
is_root_internal()
}
#[cfg(windows)]
#[must_use]
fn is_root_internal() -> bool {
use std::mem;
use winapi::{
ctypes::c_void,
shared::minwindef::{DWORD, TRUE},
um::{
handleapi::{CloseHandle, INVALID_HANDLE_VALUE},
processthreadsapi::{GetCurrentProcess, OpenProcessToken},
securitybaseapi::GetTokenInformation,
winnt::{TokenElevation, TOKEN_ELEVATION, TOKEN_QUERY},
},
};
let mut token = INVALID_HANDLE_VALUE;
let mut elevated = false;
unsafe {
if OpenProcessToken(GetCurrentProcess(), TOKEN_QUERY, &mut token) == TRUE {
let mut elevation: TOKEN_ELEVATION = mem::zeroed();
let mut size = mem::size_of::<TOKEN_ELEVATION>() as DWORD;
if GetTokenInformation(
token,
TokenElevation,
&mut elevation as *mut TOKEN_ELEVATION as *mut c_void,
size,
&mut size,
) == TRUE
{
elevated = elevation.TokenIsElevated != 0;
}
}
if token != INVALID_HANDLE_VALUE {
CloseHandle(token);
}
}
elevated
}
#[cfg(unix)]
#[must_use]
fn is_root_internal() -> bool {
users::get_current_uid() == 0
}