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List:       freebsd-hackers
Subject:    Re: Logging ttys off
From:       Julian Assange <proff () suburbia ! net>
Date:       1996-12-02 6:28:34
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> Julian Assange writes:
> > > I'm looking for a "foolproof" way of logging out lines that
> > > are in use. The only real information available at the time I
> > > need to do this is the user's utmp entry.
> > 
> > What is your objective? there may be another solution.
> 
> Time accounting. If session limits run out, or the user runs out
> of time, or the session runs into a time period in which logins
> on specific ttys are not allowed, then I need to log the user
> off and cleanup any background processes they may have started
> during the session.

You could look at a program I wrote a while called "hidleho" that
does just this (among other things), although it is a little dated
now.  (ftp://ftp.suburbia.net/pub/proff/original/chalace+hidleho).
Also Dial-Up_Utils on sunsite in /pub/linux somewhere, similar and
actively maintained.

#/etc/hidleho.cnf is the configuration file for hildeho.
#
# the uid	variable defines what user hidleho should run as for its
#		maintenance functions. you must ensure that all of 
#		hidleho's config files and directories are owned by uid
Uid 			hidleho
#
# TtyUid	varible defines what user owns the vacant ttys.
TtyUid			root
#
# UserBase	variable defines the directory to hold the per-user config
#		directories and sub-files.
UserBase		/usr/hidleho
#
# GroupBase	variable defines the directory to hold the group-wide config
#		directories and sub-files.
GroupBase		/usr/hidleho
# DeniedMsg	File printed to tty when a user is denied access ('-' flag)
DeniedMsg		/etc/hidleho.denied
# BorrowGrace	Grace for logoff when lines are full.
BorrowGrace		2
#
# the def_term	variable defines what the enviromental variable TERM should
#               be set to if hildeho is unable to obtain the terminal type
#		from the remote connection, /etc/gettydefs or ~/.termtype.
Term			vt100
#
#the ttys	variable defines the ttys to monitor if the users "B" flag
#		is set. Also effects the "C" flag.
ttys			ttyS0 ttyS1 ttyS2 ttyS3 ttyS4
#
#the weights	variable defines the multiplicative weight applied to
#               the effective calculated call time for the ttys specified
#		by ttys:
weights			1     1     1   1    1
#the warn_t	variable defines the t- times at which the user will be warned
#		of approching total timeout (up to 10 parameters)
warn_t			10 3 2 1
#the warn_i	variable defines the t- times at which the user will be warned
#		of approching idle timeout (up to 10 parameters)
warn_i			3 2 1
#
# Description of general parameters:
#
#	Name	= 	user name, or the pseudo-name "default:", or a
#			/etc/group name terminated with a trailing "+".
#	Total	=	total number of minutes the user is allowed on-line.
#	InIdle	=	how long for idle timeout, if no user input
#	OutIdle =	how long for idle timeout, if no system output
#	TimeLim =	the amount of time granted per time segmant
#	TimePer = 	the size (in time) of a time period/segmant
#	Exclude = 	minutes to exclude the user for on logout (B & C)
#	Flags	=	lower case alphabetical = FALSE, upper case = TRUE
#	        I	=	send user Information at login time
#		i	=	do not		"
#		W	=	send disconnection warnings to terminal
#		w	=	do not		"
#		K	=	kill all users tasks system wide
#		k	=	kill all users tasks tty wide
#		A	=	ask user for terminal type
#		a	=	do not 		"
#		B	=	allow user to exist on borrowed time
#		b	=	do not		"
#		C	=	total timeout only on a Configured ttys:
#		c	=	total timeout on all ttys
#		E	=	exclusive idle on. if (idle_in || idle_out) idle()
#		e	=              "      off. if (idle_in && idle_out) idle()
#		T	=	timer on.
#		t	=	timer off, just exec shell after auth/term/info.
#		N	=	permit negative time left
#		n	=	do not permit negative time left (timeleft = 0 if negative)
#		U	=	unlimited negative time
#		u	=	negative time limited to -TimeLim
#		-	=	prevent user/group from loging in.
#		+	=	allow user/group to login.
#
#	Shell	=	filename to execute
# n.b an "*" specified in any but the Name parameter field acts as a place
#     holder.
#Name	Total	InIdle	OutIdle	TimeLim	TimePer	Exclude	Flags	Shell
#
default: 30 	10	10	2h	1d	0	uNeTIWKABC+	/bin/tcsh
unpaid+	 30 	10	10	4h	28d	10	KEc	/usr/local/bin/mshell
donate+	 45 	15	15	2h	1d	5	*	/bin/tcsh
sponsor+ 45	20	15	3h	1d	4	*	/bin/tcsh
oldsponsor+ 90	20	15	3h	1d	4	*	/bin/tcsh
staff+	 52w	2h	2h	0 	0 	0	eTiWkaBC+ /bin/tcsh
proff	 *	*	*	*	*	*	AI	/bin/tcsh
register 55	8	8	0	0	0	EkabcA	/usr/local/lbin/guest_login
guest	 55	8	8	0	0	0	EkabcA	/usr/local/lbin/guest_login
chaltest 4	*	*	0	0	0	EkabcAi	/home/chaltest/login
xfer	 2h	*	*	0	0	0	eIkAbc	/usr/local/lbin/wares
motronic 130	*	*	5h	1d	*	*	*

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