mirror of
https://git.FreeBSD.org/src.git
synced 2024-12-25 11:37:56 +00:00
110 lines
3.4 KiB
Groff
110 lines
3.4 KiB
Groff
.\" Copyright (c) 1996-1999 Whistle Communications, Inc.
|
|
.\" All rights reserved.
|
|
.\"
|
|
.\" Subject to the following obligations and disclaimer of warranty, use and
|
|
.\" redistribution of this software, in source or object code forms, with or
|
|
.\" without modifications are expressly permitted by Whistle Communications;
|
|
.\" provided, however, that:
|
|
.\" 1. Any and all reproductions of the source or object code must include the
|
|
.\" copyright notice above and the following disclaimer of warranties; and
|
|
.\" 2. No rights are granted, in any manner or form, to use Whistle
|
|
.\" Communications, Inc. trademarks, including the mark "WHISTLE
|
|
.\" COMMUNICATIONS" on advertising, endorsements, or otherwise except as
|
|
.\" such appears in the above copyright notice or in the software.
|
|
.\"
|
|
.\" THIS SOFTWARE IS BEING PROVIDED BY WHISTLE COMMUNICATIONS "AS IS", AND
|
|
.\" TO THE MAXIMUM EXTENT PERMITTED BY LAW, WHISTLE COMMUNICATIONS MAKES NO
|
|
.\" REPRESENTATIONS OR WARRANTIES, EXPRESS OR IMPLIED, REGARDING THIS SOFTWARE,
|
|
.\" INCLUDING WITHOUT LIMITATION, ANY AND ALL IMPLIED WARRANTIES OF
|
|
.\" MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT.
|
|
.\" WHISTLE COMMUNICATIONS DOES NOT WARRANT, GUARANTEE, OR MAKE ANY
|
|
.\" REPRESENTATIONS REGARDING THE USE OF, OR THE RESULTS OF THE USE OF THIS
|
|
.\" SOFTWARE IN TERMS OF ITS CORRECTNESS, ACCURACY, RELIABILITY OR OTHERWISE.
|
|
.\" IN NO EVENT SHALL WHISTLE COMMUNICATIONS BE LIABLE FOR ANY DAMAGES
|
|
.\" RESULTING FROM OR ARISING OUT OF ANY USE OF THIS SOFTWARE, INCLUDING
|
|
.\" WITHOUT LIMITATION, ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
|
|
.\" PUNITIVE, OR CONSEQUENTIAL DAMAGES, PROCUREMENT OF SUBSTITUTE GOODS OR
|
|
.\" SERVICES, LOSS OF USE, DATA OR PROFITS, HOWEVER CAUSED AND UNDER 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 WHISTLE COMMUNICATIONS IS ADVISED OF THE POSSIBILITY
|
|
.\" OF SUCH DAMAGE.
|
|
.\"
|
|
.\" $FreeBSD$
|
|
.\" $Whistle: nghook.8,v 1.4 1999/01/20 03:19:45 archie Exp $
|
|
.\"
|
|
.Dd January 19, 1999
|
|
.Dt NGHOOK 8
|
|
.Os
|
|
.Sh NAME
|
|
.Nm nghook
|
|
.Nd connect to a
|
|
.Xr netgraph 4
|
|
node
|
|
.Sh SYNOPSIS
|
|
.Nm
|
|
.Op Fl a
|
|
.Op Fl d
|
|
.Op Fl l
|
|
.Op Fl n
|
|
.Ar path
|
|
.Op Ar hookname
|
|
.Sh DESCRIPTION
|
|
The
|
|
.Nm
|
|
utility creates a
|
|
.Xr ng_socket 4
|
|
socket type node and connects it to hook
|
|
.Ar hookname
|
|
of the node found at
|
|
.Ar path .
|
|
If
|
|
.Ar hookname
|
|
is omitted,
|
|
.Dq debug
|
|
is assumed.
|
|
.Pp
|
|
At this point all data written to standard input is sent
|
|
to the node and all data received from the node is relayed
|
|
to standard output.
|
|
The
|
|
.Nm
|
|
utility exits when
|
|
.Dv EOF
|
|
is detected on standard input.
|
|
.Pp
|
|
The options are as follows:
|
|
.Pp
|
|
.Bl -tag -width indent
|
|
.It Fl a
|
|
Output each packet read in human-readable decoded
|
|
.Tn ASCII
|
|
form instead of raw binary.
|
|
.It Fl d
|
|
Increase the debugging verbosity level.
|
|
.It Fl l
|
|
Loops all received data back to the hook in addition to writing it
|
|
to standard output.
|
|
.It Fl n
|
|
Don't attempt to read any data from standard input.
|
|
The
|
|
.Nm
|
|
utility will continue reading from the node until stopped by a signal.
|
|
.El
|
|
.Sh BUGS
|
|
Although all input is read in unbuffered mode,
|
|
there's no way to control the packetization of the input.
|
|
.Sh SEE ALSO
|
|
.Xr netgraph 3 ,
|
|
.Xr netgraph 4 ,
|
|
.Xr ngctl 8
|
|
.Sh HISTORY
|
|
The
|
|
.Em netgraph
|
|
system was designed and first implemented at Whistle Communications, Inc.\&
|
|
in a version of
|
|
.Fx 2.2
|
|
customized for the Whistle InterJet.
|
|
.Sh AUTHORS
|
|
.An Archie Cobbs Aq archie@whistle.com
|