7c7cef7278
While hacking on TTY code, I often miss a small utility to revoke my own (pseudo-)terminals. This small utility is just a small wrapper around the revoke(2) call, so you can destroy your very own login sessions. Approved by: re
57 lines
1.8 KiB
Groff
57 lines
1.8 KiB
Groff
.\" Copyright (c) 2009 Ed Schouten <ed@FreeBSD.org>
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.\" All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.\" $FreeBSD$
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.\"
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.Dd June 15, 2009
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.Dt REVOKE 1
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.Os
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.Sh NAME
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.Nm revoke
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.Nd "revoke a character device"
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.Sh SYNOPSIS
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.Nm
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.Ar
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.Sh DESCRIPTION
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The
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.Nm
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program revokes the character devices using
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.Xr revoke 2 .
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When used on a TTY, calls like
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.Xr read 2 ,
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.Xr write 2
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and
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.Xr ioctl 2 ,
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will be aborted immediately, effectively causing login sessions to be
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terminated.
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.Sh SEE ALSO
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.Xr revoke 2
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.Sh HISTORY
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The
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.Nm
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program first appeared in
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.Fx 8.0 .
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.Sh AUTHORS
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.An Ed Schouten Aq ed@FreeBSD.org
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