EFINGERD(8) System Manager's Manual EFINGERD(8)NAME
efingerd - another finger daemon for linux
SYNOPSIS
efingerd [-t X] [-f] [-n] [-u] [--help] [--version]
efingerd should be run from inetd.
DESCRIPTION
efingerd is another finger daemon, giving you complete control over what are you going to display about your computer.
OPTIONS --help Show summary of options and exit.
--version
Show version and exit.
-t X Lifetime for spawned services (in seconds) ex: -t 25 maintain connections for up to 25 seconds (default: -t 60)
-n Do not lookup addresses, use IP numbers instead
-f Do not display users' full names.
-u Ignore user-specific .efingerd file
USAGE
If you are just an ordinary user and efingerd is already installed by your friendly administrator, you can take the advantage of it by mak-
ing executable .efingerd in your home directory (it can be anything - from single shell script to a program in super-hyper-extra-object
oriented language - only speed makes a difference). This program takes two arguments, the first is the name of remote user fingering you
(or (null) if his/her/its system does not run ident), the second one is address of his computer (or ip number, if efingerd is installed
with option -n). Standard output of this program is then displayed to the person fingering you. Look at examples/.efingerd for a nice
example.
Following executables are providing information about your machine to the fingerer:
/etc/efingerd/list
what to display when somebody does finger @your.machine
/etc/efingerd/luser
what to display when somebody fingers user on your machine, and the fingered user does not have ~/.efingerd file
/etc/efingerd/nouser
what to display when somebody fingers non-existent user on your machine
If the local user has file .efingerd in his/her/its home directory, and it is readable by the daemon, it will be executed and it's output
will be served to the fingerer.
These are normal programs, displaying on standard output desired information. These programs are called with following parameters:
$1 - identity of remote user, (null) if his/her/its system is not running ident
$2 - address of remote machine (IP number if it has not reverse DNS entry or you specified -n)
$3 - name of local user being fingered
Look at examples/ for examples. Don't forget that these programs must be executable by efingerd daemon.
SEE ALSO finger(1), fingerd(8)AUTHOR
Radovan Garabik (garabik@fmph.uniba.sk)
BUGS
file .efingerd in user's home directory must be executable and readable by UID efingerd runs under to work.
EFINGERD(8)
Check Out this Related Man Page
FINGER(1) BSD General Commands Manual FINGER(1)NAME
finger -- user information lookup program
SYNOPSIS
finger [-lmsp] [user ...] [user@host ...]
DESCRIPTION
The finger displays information about the system users.
Options are:
-s Finger displays the user's login name, real name, terminal name and write status (as a ``*'' after the terminal name if write permis-
sion is denied), idle time, login time, office location and office phone number.
Login time is displayed as month, day, hours and minutes, unless more than six months ago, in which case the year is displayed rather
than the hours and minutes.
Unknown devices as well as nonexistent idle and login times are displayed as single asterisks.
-l Produces a multi-line format displaying all of the information described for the -s option as well as the user's home directory, home
phone number, login shell, mail status, and the contents of the files ``.plan'', ``.project'', ``.pgpkey'' and ``.forward'' from the
user's home directory.
Phone numbers specified as eleven digits are printed as ``+N-NNN-NNN-NNNN''. Numbers specified as ten or seven digits are printed as
the appropriate subset of that string. Numbers specified as five digits are printed as ``xN-NNNN''. Numbers specified as four digits
are printed as ``xNNNN''.
If write permission is denied to the device, the phrase ``(messages off)'' is appended to the line containing the device name. One
entry per user is displayed with the -l option; if a user is logged on multiple times, terminal information is repeated once per login.
Mail status is shown as ``No Mail.'' if there is no mail at all, ``Mail last read DDD MMM ## HH:MM YYYY (TZ)'' if the person has looked
at their mailbox since new mail arriving, or ``New mail received ...'', `` Unread since ...'' if they have new mail.
-p Prevents the -l option of finger from displaying the contents of the ``.plan'', ``.project'' and ``.pgpkey'' files.
-m Prevent matching of user names. User is usually a login name; however, matching will also be done on the users' real names, unless the
-m option is supplied. All name matching performed by finger is case insensitive.
If no options are specified, finger defaults to the -l style output if operands are provided, otherwise to the -s style. Note that some
fields may be missing, in either format, if information is not available for them.
If no arguments are specified, finger will print an entry for each user currently logged into the system.
Finger may be used to look up users on a remote machine. The format is to specify a user as ``user@host'', or ``@host'', where the default
output format for the former is the -l style, and the default output format for the latter is the -s style. The -l option is the only option
that may be passed to a remote machine.
If standard output is a socket, finger will emit a carriage return (^M) before every linefeed (^J). This is for processing remote finger
requests when invoked by fingerd(8).
FILES
~/.nofinger If finger finds this file in a user's home directory, it will, for finger requests originating outside the local host,
firmly deny the existence of that user. For this to work, the finger program, as started by fingerd(8), must be able to see
the .nofinger file. This generally means that the home directory containing the file must have the other-users-execute bit
set (o+x). See chmod(1). If you use this feature for privacy, please test it with ``finger @localhost'' before relying on
it, just in case.
~/.plan
~/.project
~/.pgpkey These files are printed as part of a long-format request. The .project file is limited to one line; the .plan file may be
arbitrarily long.
SEE ALSO chfn(1), passwd(1), w(1), who(1)HISTORY
The finger command appeared in 3.0BSD.
Linux NetKit (0.17) August 15, 1999 Linux NetKit (0.17)