BSD 4_4 release

[unix-history] / usr / src / libexec / fingerd / fingerd.8

diff --git a/usr/src/libexec/fingerd/fingerd.8 b/usr/src/libexec/fingerd/fingerd.8
index 629a94b..c5c0762 100644 (file)
--- a/usr/src/libexec/fingerd/fingerd.8
+++ b/usr/src/libexec/fingerd/fingerd.8
@@ -1,62 +1,139 @@
-.\" Copyright (c) 1980 The Regents of the University of California.
-.\" All rights reserved.
+.\" Copyright (c) 1980, 1991, 1993
+.\"    The Regents of the University of California.  All rights reserved.

 .\"
 .\"

-.\" Redistribution and use in source and binary forms are permitted
-.\" provided that the above copyright notice and this paragraph are
-.\" duplicated in all such forms and that any documentation,
-.\" advertising materials, and other materials related to such
-.\" distribution and use acknowledge that the software was developed
-.\" by the University of California, Berkeley.  The name of the
-.\" University may not be used to endorse or promote products derived
-.\" from this software without specific prior written permission.
-.\" THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
-.\" IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
-.\" WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+.\" 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.

 .\"
 .\"

-.\"    @(#)fingerd.8   6.2 (Berkeley) %G%
+.\" 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.

 .\"
 .\"

-.TH FINGERD 8 ""
-.UC 6
-.SH NAME
-fingerd \- remote user information server
-.SH SYNOPSIS
-.B /etc/fingerd
-.SH DESCRIPTION
-.I Fingerd
-is a simple protocol based on RFC742 that provides an interface to the
+.\"     @(#)fingerd.8  8.1 (Berkeley) 6/4/93
+.\"
+.Dd June 4, 1993
+.Dt FINGERD 8
+.Os BSD 4.3
+.Sh NAME
+.Nm fingerd
+.Nd remote user information server
+.Sh SYNOPSIS
+.Nm fingerd
+.Op Fl s
+.Op Fl l
+.Op Fl p Ar filename
+.Sh DESCRIPTION
+.Nm Fingerd
+is a simple protocol based on
+.%T RFC1196
+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
 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 ``command line''.
-.PP
-.I Fingerd
-listens for TCP requests at port 79.
+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
 Once connected it reads a single command line

-terminated by a <CRLF> which is passed to
-.IR finger (1).
-.I Fingerd
+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.
 closes its connections as soon as the output is finished.

-.PP
-If the line is null (i.e. just a <CRLF> is sent) then 
-.I finger
-returns a ``default'' report that lists all people logged into
+.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.
 the system at that moment.

-.PP
-If a user name is specified (e.g. eric<CRLF>) then the
+.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.
 response lists more extended information for only that particular user,
 whether logged in or not.

-Allowable ``names'' in the command line include both ``login names''
-and ``user names''.
+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.
 If a name is ambiguous, all possible derivations are returned.

-.SH SEE ALSO
-finger(1)
-.SH BUGS
-Connecting directly to the server from a TIP
-or an equally narrow-minded TELNET-protocol user program can result
+.Pp
+The following options may be passed to
+.Nm fingerd
+as server program arguments in
+.Pa /etc/inetd.conf :
+.Bl -tag -width Ds
+.It Fl s
+Enable secure mode.
+Queries without a user name are rejected and
+forwarding of queries to other remote hosts is denied.
+.It Fl l
+Enable logging.
+The name of the host originating the query is reported via
+.Xr syslog 3
+at LOG_NOTICE priority.
+.It Fl p
+Use an alternate program as the local information provider.
+The default local program
+executed by
+.Nm fingerd
+is 
+.Xr finger 1 .
+By specifying a customized local server,
+this option allows a system manager
+to have more control over what information is
+provided to remote sites.
+.El
+.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.
 in meaningless attempts at option negotiation being sent to the
 server, which will foul up the command line interpretation.

-.I Fingerd
-should be taught to filter out IAC's and perhaps even respond
-negatively (IAC WON'T) to all option commands received.
+.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 .