Return to lock.1 CVS log

Up to [local] / src / usr.bin / lock

Annotation of src/usr.bin/lock/lock.1, Revision 1.20

1.20    ! schwarze    1: .\"    $OpenBSD: lock.1,v 1.19 2019/07/19 18:32:19 cheloha Exp $
1.1       deraadt     2: .\"
                      3: .\" Copyright (c) 1987, 1990, 1993
                      4: .\"    The Regents of the University of California.  All rights reserved.
                      5: .\"
                      6: .\" Redistribution and use in source and binary forms, with or without
                      7: .\" modification, are permitted provided that the following conditions
                      8: .\" are met:
                      9: .\" 1. Redistributions of source code must retain the above copyright
                     10: .\"    notice, this list of conditions and the following disclaimer.
                     11: .\" 2. Redistributions in binary form must reproduce the above copyright
                     12: .\"    notice, this list of conditions and the following disclaimer in the
                     13: .\"    documentation and/or other materials provided with the distribution.
1.12      millert    14: .\" 3. Neither the name of the University nor the names of its contributors
1.1       deraadt    15: .\"    may be used to endorse or promote products derived from this software
                     16: .\"    without specific prior written permission.
                     17: .\"
                     18: .\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
                     19: .\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     20: .\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     21: .\" ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
                     22: .\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     23: .\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     24: .\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     25: .\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     26: .\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     27: .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     28: .\" SUCH DAMAGE.
                     29: .\"
                     30: .\"    @(#)lock.1      8.1 (Berkeley) 6/6/93
                     31: .\"
1.20    ! schwarze   32: .Dd $Mdocdate: July 19 2019 $
1.1       deraadt    33: .Dt LOCK 1
                     34: .Os
                     35: .Sh NAME
                     36: .Nm lock
                     37: .Nd reserve a terminal
                     38: .Sh SYNOPSIS
                     39: .Nm lock
1.20    ! schwarze   40: .Op Fl np
1.11      millert    41: .Op Fl a Ar style
1.1       deraadt    42: .Op Fl t Ar timeout
                     43: .Sh DESCRIPTION
1.6       aaron      44: .Nm
1.1       deraadt    45: requests a password from the user, reads it again for verification
                     46: and then will normally not relinquish the terminal until the password is
                     47: repeated.
                     48: .Pp
1.8       aaron      49: The options are as follows:
1.10      aaron      50: .Bl -tag -width Ds
1.14      jmc        51: .It Fl a Ar style
1.17      jmc        52: The specified
                     53: .Bx
                     54: Authentication login
1.14      jmc        55: .Ar style
                     56: (as specified in
                     57: .Pa /etc/login.conf )
                     58: will be used to authenticate the user.
                     59: If the particular
                     60: .Ar style
                     61: requires a challenge/response handshake or a special prompt, the
                     62: user may enter the name of the
                     63: .Ar style
                     64: to get the standard prompt for that
                     65: .Ar style .
1.20    ! schwarze   66: .It Fl n
        !            67: Lock the terminal forever.
        !            68: This overrides
        !            69: .Fl t
        !            70: and is the default on
        !            71: .Ox
        !            72: unless
        !            73: .Fl t
        !            74: is specified.
1.1       deraadt    75: .It Fl p
                     76: A password is not requested, instead the user's current login password
                     77: is used.
1.11      millert    78: If the user has an S/Key key, they may also use it to unlock the terminal.
1.9       aaron      79: To do this the user should enter
                     80: .Qq s/key
                     81: at the unlock
                     82: .Dq Key:
                     83: prompt.
                     84: The user will then be issued an S/Key
1.7       alex       85: challenge to which they may respond with a six-word S/Key one-time
1.1       deraadt    86: password.
1.6       aaron      87: .It Fl t Ar timeout
1.19      cheloha    88: Unlock the terminal after
1.1       deraadt    89: .Ar timeout
1.20    ! schwarze   90: minutes unless
        !            91: .Fl n
        !            92: is also specified.
1.19      cheloha    93: When used in this manner
                     94: .Nm
                     95: should be invoked so that the user is safely logged out
                     96: if the timeout elapses:
                     97: .Pp
                     98: .Dl $ lock -t 15 || exit
1.1       deraadt    99: .El
                    100: .Sh SEE ALSO
1.11      millert   101: .Xr skey 1 ,
                    102: .Xr login.conf 5
1.1       deraadt   103: .Sh HISTORY
                    104: The
1.6       aaron     105: .Nm
1.16      schwarze  106: command first appeared in
                    107: .Bx 2 .
                    108: .Sh AUTHORS
                    109: .An Kurt Shoens .