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.\"
.\" SPDX-License-Identifier: BSD-2-Clause-FreeBSD
.\"
.\" Copyright (c) 2018 Kyle Evans <kevans@FreeBSD.org>
.\"
.\" Redistribution and use in source and binary forms, with or without
.\" modification, are permitted provided that the following conditions
.\" are met:
.\" 1. Redistributions of source code must retain the above copyright
.\" notice, this list of conditions and the following disclaimer.
.\" 2. Redistributions in binary form must reproduce the above copyright
.\" notice, this list of conditions and the following disclaimer in the
.\" documentation and/or other materials provided with the distribution.
.\"
.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
.\" SUCH DAMAGE.
.\"
.\" $FreeBSD$
.\"
.Dd August 19, 2018
.Dt PASSWORD.LUA 8
.Os
.Sh NAME
.Nm password.lua
.Nd FreeBSD password module
.Sh DESCRIPTION
.Nm
contains functionality for prompting for and checking passwords.
.Pp
Before using the functionality provided by
.Nm ,
it must be included with a statement such as the following:
.Pp
.Dl local password = require("password")
.Pp
The following functions are exported from
.Nm :
.Bl -tag -width "Fn password.read prompt_length" -offset indent
.It Fn password.read prompt_length
Read a password following a prompt.
.Fa prompt_length
is required so that the twiddle may be properly drawn as the user is typing.
.It Fn password.check
Drives the primary password checks done by the loader.
The
.Fn password.check
function will check
.Ev bootlock_password ,
.Ev geom_eli_passphrase_prompt ,
and
.Ev password
and prompt the user for passwords as-needed.
If
.Ev password
is set, the autoboot sequence will begin as the user is prompted for a password.
.El
.Sh SEE ALSO
.Xr screen.lua 8
.Sh AUTHORS
The
.Nm
file was originally written by
.An Pedro Souza Aq Mt pedrosouza@FreeBSD.org .
Later work and this manual page was done by
.An Kyle Evans Aq Mt kevans@FreeBSD.org .
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