From: aarethan@cicero.spc.uchicago.edu (Ethan Ligon)
Subject: Re: global finger
Organization: U of Chicago, SSPPCC
Date: Thu, 1 Oct 1992 17:57:58 GMT

Newsgroups: comp.unix.questions
Subject: Re: global finger
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In article <GUENTHER.92Sep30225820@amcl5.stolaf.edu> guenther@stolaf.edu (Philip A Guenther) writes:
>In article <1ado4pINN5be@spool.mu.edu> jason@studsys.mscs.mu.edu (Jason Hanson) writes:
>   >> Is there a way of fingering everybody at a site?  (ie.
>   >> finger*@spool.mu.edu)? 
>   > Pretty close Jason, if the host is reachable you can do `finger
>   > @spool.mu.edu' (using your example) to see everyone logged in.
>
>   Yes, I know but I am looking for a list of all, logged in or not.
>   Note that if I finger jhanson@helios.uwsp.edu, I get this:
>
>   [helios.uwsp.edu] 
>   Login name: jhanson   			In real life: Jason Hanson
>   Directory: /usr2/other/jhanson      	Shell: /bin/sh
>   Plan:  
>   To get UWC-Fox Valley into the modem age...
>
>
>   And, I can get this without jhanson being logged in.  Now, can I
>   get the list of everybody's "finger" even if they aren't logged in?
>
>Are you *sure* you want to do this?  At large sites you can get
>several thousand people.  For instance, here at St Olaf we have some
>4000 people.  This would a unreasonable amount of mostly useless data.
>For this reason alone I believe that it is a good thing that you can't
>do this (at least with any *standard* fingerd): the net load plus the
>load to the poor machine that receives this request.  I wouldn't let
>any site I have a voice at do this to itself.  (Any means of using up
>large amounts of resources (cycles, net time) is a *large* security
>hole.)
>
>Philip Guenther
>--
>guenther@stolaf.edu (Philip Guenther)       | The ACC might agree with me,
>Student Sys Prog, Academic Computing Center | but with that bunch, (and me)
>St Olaf College, Northfield, MN 55057-1001  | you never know... :-) :-| :-(
>"Life makes sense?  LIFE MAKES SENSE!!?  Where do people get these ideas?"-me


Newsgroups: comp.unix.questions
Subject: Re: global finger
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In article <1ado4pINN5be@spool.mu.edu> jason@studsys.mscs.mu.edu (Jason Hanson) writes:
>>>Is there a way of fingering everybody at a site?  (ie.  finger*@spool.mu.edu)?
>>Pretty close Jason, if the host is reachable you can do `finger @spool.mu.edu'
>>(using your example) to see everyone logged in.
>
>Yes, I know but I am looking for a list of all, logged in or not.  Note that if
>I finger jhanson@helios.uwsp.edu, I get this:
>
>[helios.uwsp.edu] 
>Login name: jhanson   			In real life: Jason Hanson
>Directory: /usr2/other/jhanson      	Shell: /bin/sh
>Plan:  
>To get UWC-Fox Valley into the modem age...
>
>
>And, I can get this without jhanson being logged in.  Now, can I get the list
>of everybody's "finger" even if they aren't logged in?
>
If you want this for a machine on which you have an account, you could use:

 awk -F: '{print $1}' < /etc/passwd | xargs finger

-----------------------------------------------------------------------------
Ethan Ligon                                   ethan@cicero.spc.uchicago.edu
Economics Research Center                     (312) 753-7521
University of Chicago                         TANSTAAFL; but damn I'm hungry!
Newsgroups: comp.unix.questions
Subject: Re: global finger
Summary: 
Expires: 
Followup-To: 
Distribution: 
Organization: U of Chicago, SSPPCC
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In article <GUENTHER.92Sep30225820@amcl5.stolaf.edu> guenther@stolaf.edu (Philip A Guenther) writes:
>In article <1ado4pINN5be@spool.mu.edu> jason@studsys.mscs.mu.edu (Jason Hanson) writes:
>   >> Is there a way of fingering everybody at a site?  (ie.
>   >> finger*@spool.mu.edu)? 
>   > Pretty close Jason, if the host is reachable you can do `finger
>   > @spool.mu.edu' (using your example) to see everyone logged in.
>
>   Yes, I know but I am looking for a list of all, logged in or not.
>   Note that if I finger jhanson@helios.uwsp.edu, I get this:
>
>   [helios.uwsp.edu] 
>   Login name: jhanson   			In real life: Jason Hanson
>   Directory: /usr2/other/jhanson      	Shell: /bin/sh
>   Plan:  
>   To get UWC-Fox Valley into the modem age...
>
>
>   And, I can get this without jhanson being logged in.  Now, can I
>   get the list of everybody's "finger" even if they aren't logged in?
>
>Are you *sure* you want to do this?  At large sites you can get
>several thousand people.  For instance, here at St Olaf we have some
>4000 people.  This would a unreasonable amount of mostly useless data.
>For this reason alone I believe that it is a good thing that you can't
>do this (at least with any *standard* fingerd): the net load plus the
>load to the poor machine that receives this request.  I wouldn't let
>any site I have a voice at do this to itself.  (Any means of using up
>large amounts of resources (cycles, net time) is a *large* security
>hole.)
>
>Philip Guenther
>--
>guenther@stolaf.edu (Philip Guenther)       | The ACC might agree with me,
>Student Sys Prog, Academic Computing Center | but with that bunch, (and me)
>St Olaf College, Northfield, MN 55057-1001  | you never know... :-) :-| :-(
>"Life makes sense?  LIFE MAKES SENSE!!?  Where do people get these ideas?"-me

Newsgroups: comp.unix.questions
Subject: Re: global finger
Summary: 
Expires: 
Followup-To: 
Distribution: 
Organization: U of Chicago, SSPPCC
Keywords: 

In article <GUENTHER.92Sep30225820@amcl5.stolaf.edu> guenther@stolaf.edu (Philip A Guenther) writes:
>In article <1ado4pINN5be@spool.mu.edu> jason@studsys.mscs.mu.edu (Jason Hanson) writes:
>   >> Is there a way of fingering everybody at a site?  (ie.
>   >> finger*@spool.mu.edu)? 
>   > Pretty close Jason, if the host is reachable you can do `finger
>   > @spool.mu.edu' (using your example) to see everyone logged in.
>
>   Yes, I know but I am looking for a list of all, logged in or not.
>   Note that if I finger jhanson@helios.uwsp.edu, I get this:
>
>   [helios.uwsp.edu] 
>   Login name: jhanson   			In real life: Jason Hanson
>   Directory: /usr2/other/jhanson      	Shell: /bin/sh
>   Plan:  
>   To get UWC-Fox Valley into the modem age...
>
>
>   And, I can get this without jhanson being logged in.  Now, can I
>   get the list of everybody's "finger" even if they aren't logged in?
>
>Are you *sure* you want to do this?  At large sites you can get
>several thousand people.  For instance, here at St Olaf we have some
>4000 people.  This would a unreasonable amount of mostly useless data.
>For this reason alone I believe that it is a good thing that you can't
>do this (at least with any *standard* fingerd): the net load plus the
>load to the poor machine that receives this request.  I wouldn't let
>any site I have a voice at do this to itself.  (Any means of using up
>large amounts of resources (cycles, net time) is a *large* security
>hole.)
>
>Philip Guenther
>--
>guenther@stolaf.edu (Philip Guenther)       | The ACC might agree with me,
>Student Sys Prog, Academic Computing Center | but with that bunch, (and me)
>St Olaf College, Northfield, MN 55057-1001  | you never know... :-) :-| :-(
>"Life makes sense?  LIFE MAKES SENSE!!?  Where do people get these ideas?"-me


Newsgroups: comp.unix.questions
Subject: Re: global finger
Summary: 
Expires: 
Followup-To: 
Distribution: world
Organization: U of Chicago, SSPPCC
Keywords: 

In article <1ado4pINN5be@spool.mu.edu> jason@studsys.mscs.mu.edu (Jason Hanson) writes:
>>>Is there a way of fingering everybody at a site?  (ie.  finger*@spool.mu.edu)?
>>Pretty close Jason, if the host is reachable you can do `finger @spool.mu.edu'
>>(using your example) to see everyone logged in.
>
>Yes, I know but I am looking for a list of all, logged in or not.  Note that if
>I finger jhanson@helios.uwsp.edu, I get this:
>
>[helios.uwsp.edu] 
>Login name: jhanson   			In real life: Jason Hanson
>Directory: /usr2/other/jhanson      	Shell: /bin/sh
>Plan:  
>To get UWC-Fox Valley into the modem age...
>
>
>And, I can get this without jhanson being logged in.  Now, can I get the list
>of everybody's "finger" even if they aren't logged in?
>
If you want this for a machine on which you have an account, you could use:

 awk -F: '{print $1}' < /etc/passwd | xargs finger

-----------------------------------------------------------------------------
Ethan Ligon                                   ethan@cicero.spc.uchicago.edu
Economics Research Center                     (312) 753-7521
University of Chicago                         TANSTAAFL; but damn I'm hungry!
Newsgroups: comp.unix.questions
Subject: Re: global finger
Summary: 
Expires: 
Followup-To: 
Distribution: 
Organization: U of Chicago, SSPPCC
Keywords: 

-- 
*****************************************************************************
* Ethan Ligon                                ethan@cicero.uchicago.edu      *
* Economics Research Center                                                 *
* 1155 E. 60th Street                                                       *
Newsgroups: comp.unix.questions