Crate machine_uid

Source
Expand description

Get os native machine id without root permission.

§About machine id

In Linux, machine id is a single newline-terminated, hexadecimal, 32-character, lowercase ID. When decoded from hexadecimal, this corresponds to a 16-byte/128-bit value. This ID may not be all zeros. This ID uniquely identifies the host. It should be considered “confidential”, and must not be exposed in untrusted environments. And do note that the machine id can be re-generated by root.

§Usage

extern crate machine_uid;

fn main() {
    let id: String = machine_uid::get().unwrap();
    println!("{}", id);
}

§How it works

It get machine id from following source:

Linux or who use systemd:

cat /var/lib/dbus/machine-id # or /etc/machine-id

BSD:

cat /etc/hostid # or kenv -q smbios.system.uuid

OSX:

ioreg -rd1 -c IOPlatformExpertDevice | grep IOPlatformUUID

Windows:

(Get-ItemProperty -Path Registry::HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Cryptography).MachineGuid

illumos:

gethostid(3C)

§Supported Platform

I have tested in following platform:

  • Debian 8
  • OS X 10.6
  • FreeBSD 10.4
  • Fedora 28
  • Windows 10
  • OmniOS r151050

Re-exports§

pub use machine_id::get_machine_id as get;

Modules§

machine_id