Initial project import

tools/v/vlib/os/password_nix.c.v

@@ -0,0 +1,27 @@
+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
+}