diff options
author | Theo de Raadt <deraadt@cvs.openbsd.org> | 1995-10-18 08:53:40 +0000 |
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committer | Theo de Raadt <deraadt@cvs.openbsd.org> | 1995-10-18 08:53:40 +0000 |
commit | d6583bb2a13f329cf0332ef2570eb8bb8fc0e39c (patch) | |
tree | ece253b876159b39c620e62b6c9b1174642e070e /libexec/fingerd/fingerd.8 |
initial import of NetBSD tree
Diffstat (limited to 'libexec/fingerd/fingerd.8')
-rw-r--r-- | libexec/fingerd/fingerd.8 | 110 |
1 files changed, 110 insertions, 0 deletions
diff --git a/libexec/fingerd/fingerd.8 b/libexec/fingerd/fingerd.8 new file mode 100644 index 00000000000..efb5226a9cd --- /dev/null +++ b/libexec/fingerd/fingerd.8 @@ -0,0 +1,110 @@ +.\" Copyright (c) 1980, 1991 The Regents of the University of California. +.\" All rights reserved. +.\" +.\" 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. +.\" 3. All advertising materials mentioning features or use of this software +.\" must display the following acknowledgement: +.\" This product includes software developed by the University of +.\" California, Berkeley and its contributors. +.\" 4. Neither the name of the University nor the names of its contributors +.\" may be used to endorse or promote products derived from this software +.\" without specific prior written permission. +.\" +.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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. +.\" +.\" from: @(#)fingerd.8 6.4 (Berkeley) 3/16/91 +.\" $Id: fingerd.8,v 1.1 1995/10/18 08:43:15 deraadt Exp $ +.\" +.Dd March 16, 1991 +.Dt FINGERD 8 +.Os BSD 4.3 +.Sh NAME +.Nm fingerd +.Nd remote user information server +.Sh SYNOPSIS +.Nm fingerd +.Sh DESCRIPTION +.Nm Fingerd +is a simple protocol based on +.%T RFC742 +that provides an interface to the +Name and Finger programs at several network sites. +The program is supposed to return a friendly, +human-oriented status report on either the system at the moment +or a particular person in depth. +There is no required format and the +protocol consists mostly of specifying a single +.Dq command line . +.Pp +.Nm Fingerd +listens for +.Tn TCP +requests at port 79. +Once connected it reads a single command line +terminated by a +.Aq Tn CRLF +which is passed to +.Xr finger 1 . +.Nm Fingerd +closes its connections as soon as the output is finished. +.Pp +If the line is null (i.e. just a +.Aq Tn CRLF +is sent) then +.Xr finger +returns a +.Dq default +report that lists all people logged into +the system at that moment. +.Pp +If a user name is specified (e.g. +.Pf eric Aq Tn CRLF ) +then the +response lists more extended information for only that particular user, +whether logged in or not. +Allowable +.Dq names +in the command line include both +.Dq login names +and +.Dq user names . +If a name is ambiguous, all possible derivations are returned. +.Sh SEE ALSO +.Xr finger 1 +.Sh BUGS +Connecting directly to the server from a +.Tn TIP +or an equally narrow-minded +.Tn TELNET Ns \-protocol +user program can result +in meaningless attempts at option negotiation being sent to the +server, which will foul up the command line interpretation. +.Nm Fingerd +should be taught to filter out +.Tn IAC Ns \'s +and perhaps even respond +negatively +.Pq Tn IAC WON'T +to all option commands received. +.Sh HISTORY +The +.Nm +command appeared in +.Bx 4.3 . |