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freebsd-nq/etc/rc.d/resolv

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Add copyright notices. Other systems have been barrowing our /etc files w/o giving any credit.
2000-10-08 19:20:36 +00:00
#!/bin/sh
#
# Copyright (c) 1999 Matt Dillon
# All rights reserved.
#
# 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.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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
Merge in all the changes that Mike Makonnen has been maintaining for a while. This is only the script pieces, the glue for the build comes next. Submitted by: Mike Makonnen <makonnen@pacbell.net> Reviewed by: silence on -current and -hackers Prodded by: rwatson
2002-07-18 05:00:17 +00:00
# SUCH DAMAGE.
Add copyright notices. Other systems have been barrowing our /etc files w/o giving any credit.
2000-10-08 19:20:36 +00:00
#
Add/adjust some $FreeBSD$ tags. Noted by: Doug <Doug@gorean.org>
1999-09-13 17:09:08 +00:00
# $FreeBSD$
Apply a consistent style to most of the etc scripts. Particularly, use case instead of test where appropriate, since case allows case is a sh builtin and (as a side-effect) allows case-insensitivity. Changes discussed on freebsd-hackers. Submitted by: Doug Barton <Doug@gorean.org>
1999-09-13 15:44:20 +00:00
#
Revamp rc.diskless. Split into rc.diskless1 and rc.diskless2. provide more opportunities for overriding. Clean up /etc/rc ( remove conf_dir, remove startup mount special cases, remove other special cases )
1999-02-09 17:17:18 +00:00
Overhaul the /etc/rc.d/diskless script by splitting it out into hostname, resolve, tmp, and var scripts. The latter three are new and were repo copied. These scripts no longer depend on being booted with and NFS root instead attempt to automaticly create mfs /tmp and /var volumes if the they are not writable. This behavior can be overridden in /etc/rc.conf. Reviewed by: luigi, pjd
2004-03-23 23:22:35 +00:00
# PROVIDE: resolv
Remove the requirement for the FreeBSD keyword as it no longer makes any sense. Discussed with: dougb, brooks MFC after: 3 days
2004-10-07 13:55:26 +00:00
# KEYWORD: nojail
Move to using md. o create a simple wrapper function mount_md that makes it easy to move from mount_mfs. # NOTE: you will need to MAKEDEV md[0123] in order for this to work. Reviewed by: bsd, keichii
2001-04-25 05:46:40 +00:00
Overhaul the /etc/rc.d/diskless script by splitting it out into hostname, resolve, tmp, and var scripts. The latter three are new and were repo copied. These scripts no longer depend on being booted with and NFS root instead attempt to automaticly create mfs /tmp and /var volumes if the they are not writable. This behavior can be overridden in /etc/rc.conf. Reviewed by: luigi, pjd
2004-03-23 23:22:35 +00:00
. /etc/rc.subr
* Simplify the population of the /etc memory filesystem. To avoid the null mount, we currently create a temporary mfs on /tmp, copy /etc to /tmp, then mount /etc as mfs and copy everything back from /tmp, then delete the /tmp mfs. The patch eliminates the temporary /tmp mfs and the subsequent copying and simply populates the /etc mfs by copying from /conf/default/etc. This requires that /conf/default/etc contain a complete copy of all the /etc stuff instead of just overrides. I don't think that is too much of an extra step in setting up a diskless environment. * Provide the ability to make /tmp a memory filesystem independent of /var. This removes the requirement that /tmp be a symlink to /var/tmp and this makes the diskless code work with the default filesystem layout. If a seperate /tmp memory filesystem is created, the 'tmpsize' environment variable is used to determine its size (default to 10 Meg). * Reduce diffs between the -current and -stable versions of these files to a bare minimum. Only the definition of the shell function 'mount_md' is different. Not Objected to by: -arch@, -small@ MFC after: 2 days
2001-05-09 15:13:51 +00:00
Overhaul the /etc/rc.d/diskless script by splitting it out into hostname, resolve, tmp, and var scripts. The latter three are new and were repo copied. These scripts no longer depend on being booted with and NFS root instead attempt to automaticly create mfs /tmp and /var volumes if the they are not writable. This behavior can be overridden in /etc/rc.conf. Reviewed by: luigi, pjd
2004-03-23 23:22:35 +00:00
name="resolv"
* Simplify the population of the /etc memory filesystem. To avoid the null mount, we currently create a temporary mfs on /tmp, copy /etc to /tmp, then mount /etc as mfs and copy everything back from /tmp, then delete the /tmp mfs. The patch eliminates the temporary /tmp mfs and the subsequent copying and simply populates the /etc mfs by copying from /conf/default/etc. This requires that /conf/default/etc contain a complete copy of all the /etc stuff instead of just overrides. I don't think that is too much of an extra step in setting up a diskless environment. * Provide the ability to make /tmp a memory filesystem independent of /var. This removes the requirement that /tmp be a symlink to /var/tmp and this makes the diskless code work with the default filesystem layout. If a seperate /tmp memory filesystem is created, the 'tmpsize' environment variable is used to determine its size (default to 10 Meg). * Reduce diffs between the -current and -stable versions of these files to a bare minimum. Only the definition of the shell function 'mount_md' is different. Not Objected to by: -arch@, -small@ MFC after: 2 days
2001-05-09 15:13:51 +00:00
Overhaul the /etc/rc.d/diskless script by splitting it out into hostname, resolve, tmp, and var scripts. The latter three are new and were repo copied. These scripts no longer depend on being booted with and NFS root instead attempt to automaticly create mfs /tmp and /var volumes if the they are not writable. This behavior can be overridden in /etc/rc.conf. Reviewed by: luigi, pjd
2004-03-23 23:22:35 +00:00
load_rc_config $name
Do not unconditionally load the configuration files for the RCNG case. Instead, load them as part of the rc.d system. This allows us to prioritize the initidiskless script so it runs before the configuration files are loaded and allows us to get rid of the exit 2 hack in /etc/rc. The exit 2 never worked anyway since it did not unset the prior configuration, causing the diskless code to not operate properly. Do a major cleanup and revamping of the diskless code for RCNG. This will be backported to the non-RCNG scripts as well as -stable. With suggestions from: Mike Makonnen <mtm@identd.net> MFC after: 7 days
2002-12-22 22:18:41 +00:00
# if the info is available via dhcp/kenv
# build the resolv.conf
#
More checking if kenv actually know something. Guard against test(1)-unfriendly outputs from kenv.
2003-10-03 19:07:31 +00:00
if [ ! -e /etc/resolv.conf -a \
Overhaul the /etc/rc.d/diskless script by splitting it out into hostname, resolve, tmp, and var scripts. The latter three are new and were repo copied. These scripts no longer depend on being booted with and NFS root instead attempt to automaticly create mfs /tmp and /var volumes if the they are not writable. This behavior can be overridden in /etc/rc.conf. Reviewed by: luigi, pjd
2004-03-23 23:22:35 +00:00
-n "`/bin/kenv dhcp.domain-name-servers 2> /dev/null`" ]; then
/bin/cat /dev/null > /etc/resolv.conf
if [ -n "`/bin/kenv dhcp.domain-name 2> /dev/null`" ]; then
echo domain `/bin/kenv dhcp.domain-name` > /etc/resolv.conf
fi
Do not unconditionally load the configuration files for the RCNG case. Instead, load them as part of the rc.d system. This allows us to prioritize the initidiskless script so it runs before the configuration files are loaded and allows us to get rid of the exit 2 hack in /etc/rc. The exit 2 never worked anyway since it did not unset the prior configuration, causing the diskless code to not operate properly. Do a major cleanup and revamping of the diskless code for RCNG. This will be backported to the non-RCNG scripts as well as -stable. With suggestions from: Mike Makonnen <mtm@identd.net> MFC after: 7 days
2002-12-22 22:18:41 +00:00
Replace shell's positional parameters safely.
2004-04-28 09:09:27 +00:00
set -- `/bin/kenv dhcp.domain-name-servers`
Do not unconditionally load the configuration files for the RCNG case. Instead, load them as part of the rc.d system. This allows us to prioritize the initidiskless script so it runs before the configuration files are loaded and allows us to get rid of the exit 2 hack in /etc/rc. The exit 2 never worked anyway since it did not unset the prior configuration, causing the diskless code to not operate properly. Do a major cleanup and revamping of the diskless code for RCNG. This will be backported to the non-RCNG scripts as well as -stable. With suggestions from: Mike Makonnen <mtm@identd.net> MFC after: 7 days
2002-12-22 22:18:41 +00:00
for ns in `IFS=','; echo $*`; do
echo nameserver $ns >> /etc/resolv.conf;
done
fi
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