1
0
mirror of https://github.com/vlang/v.git synced 2023-08-10 21:13:21 +03:00
v/vlib/os/password_nix.c.v

28 lines
685 B
V
Raw Normal View History

module os
import term.termios
// input_password prompts the user for a password-like secret. It disables
// the terminal echo during user input and resets it back to normal when done.
pub fn input_password(prompt string) !string {
if is_atty(1) <= 0 || getenv('TERM') == 'dumb' {
return error('Could not obtain password discretely.')
}
mut old_state := termios.Termios{}
if termios.tcgetattr(0, mut old_state) != 0 {
return last_error()
}
mut new_state := old_state
new_state.disable_echo()
termios.set_state(0, new_state)
password := input_opt(prompt) or { return error('Failed to read password') }
termios.set_state(0, old_state)
println('')
return password
}