Date: Wed, 12 Jan 2005 21:20:07 -0600 From: Vulpes Velox <v.velox@vvelox.net> To: freebsd-hackers@freebsd.org Subject: Re: RC scripts and NIS UPDATE Message-ID: <20050112212007.633c2d7b@fennec.local.lan> In-Reply-To: <20050111183439.75e6b334@fennec.local.lan> References: <20050111183439.75e6b334@fennec.local.lan>
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[-- Attachment #1 --]
Well I got it working.
It adds two more variables to rc.conf.
nis_server_available_test: Toggles nis test on or off
nis_avail_tester: script to use for testing
If the script exits with a 1, NIS is not enabled. I am currently using
a script that ,using md5, hashes the out put from arp and compares it
to a good hash.
Any ways, not heard any feed back on this yet. I would be really
interested to hear some opinions or suggestions on this.
On Tue, 11 Jan 2005 18:34:39 -0600
Vulpes Velox <v.velox@vvelox.net> wrote:
> I am currently am currently working on making modifications to the
> rc system to allow NIS to not be started if the server is not
> present.
>
> So far I am just looking at disabling ypbind at start if certain
> conditions are meet. The idea it is to run a script that checks if
> the servers or server is present and then if it is, ypbind if
> enabled, if not it modifies the current variables to stop ypbind
> from being run and prints a message about it to stdout.
>
> >From my understanding this is the one that needs disabled if the
> system is to operate outside of it's usual network. Allowing it to
> fall back to /etc/ for it's information. I've tested it by disabling
> it upon startup manually and it worked fine. Is there any other NIS
> related scripts I should make changes to, or is this the only one I
> should worry about?
>
> If any one have opinions or any input on any of this, I would be
> interested to hear it.
[-- Attachment #2 --]
#!/bin/sh
#
# $NetBSD: ypbind,v 1.5 2002/03/22 04:34:01 thorpej Exp $
# $FreeBSD: src/etc/rc.d/ypbind,v 1.8.2.1 2004/10/10 09:50:54 mtm Exp $
#
# PROVIDE: ypbind
# REQUIRE: ypserv
# BEFORE: DAEMON
. /etc/rc.subr
name="ypbind"
command="/usr/sbin/${name}"
start_precmd="ypbind_precmd"
load_rc_config $name
rcvar="nis_client_enable"
command_args="${nis_client_flags}"
if checkyesno nis_server_available_test ; then
nis_avail_test="/etc/rc.nisavailtester"
if ! `grep -v --mmap ^# /etc/rc.conf | grep --mmap ^nis_avail_tester | tail -n 1 > /dev/null` ; then
nis_avail_test="`grep -v --mmap ^# /etc/rc.conf | grep --mmap ^nis_avail_tester | tail -n 1 > /dev/null`"
fi
if ! `$nis_avail_test`; then
echo Exiting ypbind now...
exit
fi
fi
ypbind_precmd()
{
if ! checkyesno rpcbind_enable && \
! /etc/rc.d/rpcbind forcestatus 1>/dev/null 2>&1
then
force_depend rpcbind || return 1
fi
_domain=`domainname`
if [ -z "$_domain" ]; then
warn "NIS domainname(1) is not set."
return 1
fi
}
run_rc_command "$1"
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