ed0bc299d0
it can be used to reseed at boot time. This will greatly increase the chances that there will be sufficient entropy available at boot time to prevent long delays. For /etc/rc, remove the vmstat and iostat runs from the attempt to provide some cheesy randomness if the files fail, since those programs are dynamically linked, and ldd seems to want some randomness to do its magic. Guidance and parameters for this project were provided by Mark Murray, based on the requirements of the Yarrow algorithm. Some helpful suggestions for implementation (including the tip about iostat and vmstat) were provided by Sheldon Hearn. All blame for problems or mistakes is mine of course.
761 lines
16 KiB
Bash
761 lines
16 KiB
Bash
#!/bin/sh
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#
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# Copyright (c) 2000 The FreeBSD Project
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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# SUCH DAMAGE.
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#
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# $FreeBSD$
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# From: @(#)rc 5.27 (Berkeley) 6/5/91
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#
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# System startup script run by init on autoboot
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# or after single-user.
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# Output and error are redirected to console by init,
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# and the console is the controlling terminal.
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# Note that almost all of the user-configurable behavior is no longer in
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# this file, but rather in /etc/defaults/rc.conf. Please check that file
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# first before contemplating any changes here. If you do need to change
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# this file for some reason, we would like to know about it.
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stty status '^T'
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# Set shell to ignore SIGINT (2), but not children;
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# shell catches SIGQUIT (3) and returns to single user after fsck.
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#
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trap : 2
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trap : 3 # shouldn't be needed
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bootmode=$1
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HOME=/
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PATH=/sbin:/bin:/usr/sbin:/usr/bin:/usr/local/sbin
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export HOME PATH
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# BOOTP diskless boot. We have to run the rc file early in order to
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# retarget various config files.
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#
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if [ -r /etc/rc.diskless1 ]; then
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dlv=`/sbin/sysctl -n vfs.nfs.diskless_valid 2> /dev/null`
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if [ ${dlv:=0} != 0 ]; then
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. /etc/rc.diskless1
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fi
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fi
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# If there is a global system configuration file, suck it in.
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#
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if [ -r /etc/defaults/rc.conf ]; then
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. /etc/defaults/rc.conf
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source_rc_confs
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elif [ -r /etc/rc.conf ]; then
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. /etc/rc.conf
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fi
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chkdepend() {
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svc=$1
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svc_var=$2
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dep=$3
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dep_var=$4
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eval svc_val=\${$svc_var}
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eval dep_val=\${$dep_var}
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case ${svc_val} in
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[Yy][Ee][Ss])
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case ${dep_val} in
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[Yy][Ee][Ss])
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;;
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*)
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eval ${dep_var}="YES"
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echo "DEPENDENCY NOTE: ${dep} will be enabled" \
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"to support ${svc}"
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;;
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esac
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;;
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esac
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}
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chkdepend amd amd_enable portmap portmap_enable
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chkdepend NFS nfs_server_enable portmap portmap_enable
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chkdepend NIS nis_server_enable portmap portmap_enable
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chkdepend NIS nis_client_enable portmap portmap_enable
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# First pass at entropy recovery so the rebooting /dev/random can reseed.
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#
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feed_dev_random() {
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if [ -f "${1}" -a -r "${1}" -a -s "${1}" ]; then
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echo "Using ${1} as an entropy file"
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cat ${1} > /dev/random 2> /dev/random &&
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entropy_reseeded=yes
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fi
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}
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case ${entropy_file} in
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[Nn][Oo] | '')
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;;
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*)
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if [ -w /dev/random ]; then
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feed_dev_random "${entropy_file}"
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fi
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;;
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esac
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case ${entropy_dir} in
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[Nn][Oo])
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;;
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*)
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entropy_dir=${entropy_dir:-/.entropy}
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if [ -d "${entropy_dir}" ]; then
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if [ -w /dev/random ]; then
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for seedfile in ${entropy_dir}/*; do
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feed_dev_random "${seedfile}"
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done
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fi
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fi
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;;
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esac
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# Configure ccd devices.
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#
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if [ -r /etc/ccd.conf ]; then
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ccdconfig -C
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fi
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case ${start_vinum} in
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[Yy][Ee][Ss])
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vinum start
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;;
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esac
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swapon -a
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case ${bootmode} in
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autoboot)
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echo 'Automatic boot in progress...'
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fsck -p
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case $? in
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0)
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;;
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2)
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exit 1
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;;
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4)
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reboot
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echo 'Reboot failed... help!'
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exit 1
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;;
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8)
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echo 'Automatic file system check failed... help!'
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exit 1
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;;
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12)
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echo 'Reboot interrupted'
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exit 1
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;;
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130)
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# interrupt before catcher installed
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exit 1
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;;
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*)
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echo 'Unknown error in reboot'
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exit 1
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;;
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esac
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;;
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*)
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echo 'Skipping disk checks ...'
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;;
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esac
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set -T
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trap "echo 'Reboot interrupted'; exit 1" 3
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# root normally must be read/write, but if this is a BOOTP NFS
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# diskless boot it does not have to be.
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#
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case ${root_rw_mount} in
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[Nn][Oo] | '')
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;;
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*)
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if ! mount -u -o rw / ; then
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echo 'Mounting root filesystem rw failed, startup aborted'
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exit 1
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fi
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;;
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esac
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umount -a >/dev/null 2>&1
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# Mount everything except nfs filesystems.
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mount -a -t nonfs
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case $? in
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0)
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;;
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*)
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echo 'Mounting /etc/fstab filesystems failed, startup aborted'
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exit 1
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;;
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esac
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# Run custom disk mounting function here
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#
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if [ -n "${diskless_mount}" -a -r "${diskless_mount}" ]; then
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sh ${diskless_mount}
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fi
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# Second attempt at reseeding, if needed.
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#
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case ${entropy_reseeded} in
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yes)
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;;
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*)
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case ${entropy_file} in
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[Nn][Oo] | '')
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;;
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*)
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if [ -w /dev/random ]; then
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if [ -f "${entropy_file}" -a -r "${entropy_file}" -a \
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-s "${entropy_file}" ]; then
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feed_dev_random "${entropy_file}"
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elif [ "${entropy_file}" != /var/db/entropy -a \
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-f /var/db/entropy -a -r /var/db/entropy -a \
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-s /var/db/entropy ]; then
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feed_dev_random /var/db/entropy
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else
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echo "Can't use ${entropy_file} as an entropy file, trying other sources"
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# XXX temporary until we can get the entropy
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# harvesting rate up
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# Entropy below is not great,
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# but better than nothing.
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(ps -gauxwww; sysctl -a;
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dmesg) | /bin/dd of=/dev/random bs=8k 2>/dev/null
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( for i in /etc /var/run ; do
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cd $i ; ls -al ; cat *
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done ) | /bin/dd of=/dev/random bs=8k 2>/dev/null
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fi
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fi
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;;
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esac
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;;
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esac
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# Remove these to prevent problems on future reboots
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rm -f "${entropy_file}" /var/db/entropy
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adjkerntz -i
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purgedir() {
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local dir file
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if [ $# -eq 0 ]; then
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purgedir .
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else
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for dir
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do
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(
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cd "$dir" && for file in .* *
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do
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[ ."$file" = .. -o ."$file" = ... ] && continue
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[ -d "$file" -a ! -L "$file" ] &&
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purgedir "$file"
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[ -f "$file" ] && rm -f -- "$file"
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done
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)
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done
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fi
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}
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clean_var() {
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if [ ! -f /var/run/clean_var ]; then
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rm -rf /var/run/*
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purgedir /var/spool/lock
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rm -rf /var/spool/uucp/.Temp/*
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# Keep a copy of the boot messages around
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dmesg >/var/run/dmesg.boot
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# And an initial utmp file
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(cd /var/run && cp /dev/null utmp && chmod 644 utmp;)
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>/var/run/clean_var
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fi
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}
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if [ -d /var/run -a -d /var/spool/lock -a -d /var/spool/uucp/.Temp ]; then
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# network_pass1() *may* end up writing stuff to /var - we don't want to
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# remove it immediately afterwards - *nor* to we want to fail to clean
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# an nfs-mounted /var.
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clean_var
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fi
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# Add additional swapfile, if configured.
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#
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case ${swapfile} in
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[Nn][Oo] | '')
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;;
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*)
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if [ -w "${swapfile}" -a -c /dev/vn0b ]; then
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echo "Adding ${swapfile} as additional swap"
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vnconfig /dev/vn0b ${swapfile} && swapon /dev/vn0b
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fi
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;;
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esac
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# Set sysctl variables as early as we can
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#
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if [ -r /etc/rc.sysctl ]; then
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. /etc/rc.sysctl
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fi
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# Configure serial devices
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#
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if [ -r /etc/rc.serial ]; then
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. /etc/rc.serial
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fi
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# Start up PC-card configuration
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#
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if [ -r /etc/rc.pccard ]; then
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. /etc/rc.pccard
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fi
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# Start up the initial network configuration.
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#
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if [ -r /etc/rc.network ]; then
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. /etc/rc.network # We only need to do this once.
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network_pass1
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fi
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case ${ipv6_enable} in
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[Yy][Ee][Ss])
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if [ -r /etc/rc.network6 ]; then
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. /etc/rc.network6 # We only need to do this once also.
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network6_pass1
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fi
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;;
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esac
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# Mount NFS filesystems if present in /etc/fstab
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case "`mount -d -a -t nfs`" in
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*mount_nfs*)
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echo -n 'Mounting NFS file systems:'
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mount -a -t nfs
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echo '.'
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;;
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esac
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# Whack the pty perms back into shape.
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#
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if ls /dev/tty[pqrsPQRS]* > /dev/null 2>&1; then
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chflags 0 /dev/tty[pqrsPQRS]*
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chmod 666 /dev/tty[pqrsPQRS]*
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chown root:wheel /dev/tty[pqrsPQRS]*
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fi
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# Clean up left-over files
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#
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clean_var # If it hasn't already been done
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rm /var/run/clean_var
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# Clearing /tmp at boot-time seems to have a long tradition. It doesn't
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# help in any way for long-living systems, and it might accidentally
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# clobber files you would rather like to have preserved after a crash
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# (if not using mfs /tmp anyway).
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#
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# See also the example of another cleanup policy in /etc/periodic/daily.
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#
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case ${clear_tmp_enable} in
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[Yy][Ee][Ss])
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echo -n 'Clearing /tmp:'
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# prune quickly with one rm, then use find to clean up /tmp/[lq]*
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# (not needed with mfs /tmp, but doesn't hurt there...)
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(cd /tmp && rm -rf [a-km-pr-zA-Z]* &&
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find -d . ! -name . ! -name lost+found ! -name quota.user \
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! -name quota.group -exec rm -rf -- {} \;)
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echo '.'
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;;
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esac
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# Remove X lock files, since they will prevent you from restarting X11
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# after a system crash.
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#
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rm -f /tmp/.X*-lock /tmp/.X11-unix/*
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# Snapshot any kernel -c changes back to disk here <someday>.
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# This has changed with ELF and /kernel.config.
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echo -n 'Additional daemons:'
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# Start system logging and name service. Named needs to start before syslogd
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# if you don't have a /etc/resolv.conf.
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#
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case ${syslogd_enable} in
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[Yy][Ee][Ss])
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# Transitional symlink (for the next couple of years :) until all
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# binaries have had a chance to move towards /var/run/log.
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if [ ! -h /dev/log ]; then
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# might complain for r/o root f/s
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ln -sf /var/run/log /dev/log
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fi
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rm -f /var/run/log
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echo -n ' syslogd'; syslogd ${syslogd_flags}
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;;
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esac
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echo '.'
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# Build device name databases if we are not using DEVFS
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#
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if sysctl vfs.devfs.generation > /dev/null 2>&1 ; then
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rm -f /var/run/dev.db
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else
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dev_mkdb
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fi
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# Enable dumpdev so that savecore can see it.
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# /var/crash should be a directory or a symbolic link
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# to the crash directory if core dumps are to be saved.
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#
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case ${dumpdev} in
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[Nn][Oo] | '')
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;;
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*)
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if [ -e "${dumpdev}" -a -d /var/crash ]; then
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dumpon -v ${dumpdev}
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echo -n 'Checking for core dump: '
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savecore /var/crash
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fi
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;;
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esac
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if [ -n "${network_pass1_done}" ]; then
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network_pass2
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fi
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# Enable/Check the quotas (must be after ypbind if using NIS)
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#
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case ${enable_quotas} in
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[Yy][Ee][Ss])
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case ${check_quotas} in
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[Yy][Ee][Ss])
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echo -n 'Checking quotas:'
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quotacheck -a
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echo ' done.'
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;;
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esac
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echo -n 'Enabling quotas:'
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quotaon -a
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echo ' done.'
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;;
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esac
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if [ -n "${network_pass2_done}" ]; then
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network_pass3
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fi
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# Check the password temp/lock file
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#
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if [ -e /etc/ptmp ]; then
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logger -s -p auth.err \
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"password file may be incorrect -- /etc/ptmp exists"
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|
fi
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|
|
case ${accounting_enable} in
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[Yy][Ee][Ss])
|
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if [ -d /var/account ]; then
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echo 'Turning on accounting:'
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|
if [ ! -e /var/account/acct ]; then
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touch /var/account/acct
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|
fi
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accton /var/account/acct
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fi
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;;
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esac
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# Make shared lib searching a little faster. Leave /usr/lib first if you
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|
# add your own entries or you may come to grief.
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|
#
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ldconfig="/sbin/ldconfig"
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|
case ${ldconfig_insecure} in
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[Yy][Ee][Ss])
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ldconfig="${ldconfig} -i"
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;;
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|
esac
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|
if [ -x /sbin/ldconfig ]; then
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|
case `/usr/bin/objformat` in
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|
elf)
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|
_LDC=/usr/lib
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|
for i in ${ldconfig_paths}; do
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|
if [ -d "${i}" ]; then
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|
_LDC="${_LDC} ${i}"
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|
fi
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|
done
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|
echo 'ELF ldconfig path:' ${_LDC}
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|
${ldconfig} -elf ${_LDC}
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|
;;
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|
esac
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|
# Legacy aout support for i386 only
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|
case `sysctl -n hw.machine` in
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i386)
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|
# Default the a.out ldconfig path.
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|
: ${ldconfig_paths_aout=${ldconfig_paths}}
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_LDC=/usr/lib/aout
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for i in ${ldconfig_paths_aout}; do
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if [ -d "${i}" ]; then
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_LDC="${_LDC} ${i}"
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fi
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|
done
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|
echo 'a.out ldconfig path:' ${_LDC}
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${ldconfig} -aout ${_LDC}
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;;
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esac
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fi
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|
|
# Now start up miscellaneous daemons that don't belong anywhere else
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|
#
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|
echo -n 'Starting standard daemons:'
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|
case ${inetd_enable} in
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[Nn][Oo])
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|
;;
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|
*)
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|
echo -n ' inetd'; inetd ${inetd_flags}
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|
;;
|
|
esac
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|
|
case ${cron_enable} in
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[Nn][Oo])
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;;
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|
*)
|
|
echo -n ' cron'; cron
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|
;;
|
|
esac
|
|
|
|
case ${lpd_enable} in
|
|
[Yy][Ee][Ss])
|
|
echo -n ' printer'; ${lpd_program:-/usr/sbin/lpd} ${lpd_flags}
|
|
;;
|
|
esac
|
|
|
|
case ${sendmail_enable} in
|
|
[Yy][Ee][Ss])
|
|
if [ -r /etc/mail/sendmail.cf ]; then
|
|
echo -n ' sendmail'; /usr/sbin/sendmail ${sendmail_flags}
|
|
fi
|
|
;;
|
|
esac
|
|
|
|
case ${sshd_enable} in
|
|
[Yy][Ee][Ss])
|
|
if [ -x ${sshd_program:-/usr/sbin/sshd} ]; then
|
|
echo -n ' sshd';
|
|
${sshd_program:-/usr/sbin/sshd} ${sshd_flags}
|
|
fi
|
|
;;
|
|
esac
|
|
|
|
case ${usbd_enable} in
|
|
[Yy][Ee][Ss])
|
|
echo -n ' usbd'; /usr/sbin/usbd ${usbd_flags}
|
|
;;
|
|
esac
|
|
|
|
echo '.'
|
|
|
|
# Recover vi editor files.
|
|
find /var/tmp/vi.recover ! -type f -a ! -type d -delete
|
|
vibackup=`echo /var/tmp/vi.recover/vi.*`
|
|
if [ "${vibackup}" != '/var/tmp/vi.recover/vi.*' ]; then
|
|
echo -n 'Recovering vi editor sessions:'
|
|
for i in /var/tmp/vi.recover/vi.*; do
|
|
# Only test files that are readable.
|
|
if [ ! -r "${i}" ]; then
|
|
continue
|
|
fi
|
|
|
|
# Unmodified nvi editor backup files either have the
|
|
# execute bit set or are zero length. Delete them.
|
|
if [ -x "${i}" -o ! -s "${i}" ]; then
|
|
rm -f "${i}"
|
|
fi
|
|
done
|
|
|
|
# It is possible to get incomplete recovery files, if the editor
|
|
# crashes at the right time.
|
|
virecovery=`echo /var/tmp/vi.recover/recover.*`
|
|
if [ "${virecovery}" != "/var/tmp/vi.recover/recover.*" ]; then
|
|
for i in /var/tmp/vi.recover/recover.*; do
|
|
# Only test files that are readable.
|
|
if [ ! -r "${i}" ]; then
|
|
continue
|
|
fi
|
|
|
|
# Delete any recovery files that are zero length,
|
|
# corrupted, or that have no corresponding backup file.
|
|
# Else send mail to the user.
|
|
recfile=`awk '/^X-vi-recover-path:/{print $2}' < "${i}"`
|
|
if [ -n "${recfile}" -a -s "${recfile}" ]; then
|
|
sendmail -t < "${i}"
|
|
else
|
|
rm -f "${i}"
|
|
fi
|
|
done
|
|
fi
|
|
echo '.'
|
|
fi
|
|
|
|
# Make a bounds file for msgs(1) if there isn't one already
|
|
#
|
|
if [ -d /var/msgs -a ! -f /var/msgs/bounds -a ! -L /var/msgs/bounds ]; then
|
|
echo 0 > /var/msgs/bounds
|
|
fi
|
|
|
|
case ${update_motd} in
|
|
[Nn][Oo] | '')
|
|
;;
|
|
*)
|
|
if T=`mktemp /tmp/_motd.XXXXXX`; then
|
|
uname -v | sed -e 's,^\([^#]*\) #\(.* [1-2][0-9][0-9][0-9]\).*/\([^\]*\) $,\1 (\3) #\2,' > ${T}
|
|
awk '{if (NR == 1) {if ($1 == "FreeBSD") {next} else {print "\n"$0}} else {print}}' < /etc/motd >> ${T}
|
|
cmp -s ${T} /etc/motd || {
|
|
cp ${T} /etc/motd
|
|
chmod 644 /etc/motd
|
|
}
|
|
rm -f ${T}
|
|
fi
|
|
;;
|
|
esac
|
|
|
|
# Configure implementation specific stuff
|
|
#
|
|
arch=`uname -m`
|
|
if [ -r /etc/rc.${arch} ]; then
|
|
. /etc/rc.${arch}
|
|
fi
|
|
|
|
# Configure the system console
|
|
#
|
|
if [ -r /etc/rc.syscons ]; then
|
|
. /etc/rc.syscons
|
|
fi
|
|
|
|
# Run rc.devfs if readable to customize devfs
|
|
#
|
|
if [ -r /etc/rc.devfs ]; then
|
|
sh /etc/rc.devfs
|
|
fi
|
|
|
|
echo -n 'Additional ABI support:'
|
|
|
|
# Start the Linux binary compatibility if requested.
|
|
#
|
|
case ${linux_enable} in
|
|
[Yy][Ee][Ss])
|
|
echo -n ' linux'
|
|
if ! kldstat -v | grep -E 'linux(aout|elf)' > /dev/null; then
|
|
kldload linux > /dev/null 2>&1
|
|
fi
|
|
if [ -x /compat/linux/sbin/ldconfig ]; then
|
|
/compat/linux/sbin/ldconfig
|
|
fi
|
|
;;
|
|
esac
|
|
|
|
# Start the SysVR4 binary emulation if requested.
|
|
#
|
|
case ${svr4_enable} in
|
|
[Yy][Ee][Ss])
|
|
echo -n ' svr4'; kldload svr4 > /dev/null 2>&1
|
|
;;
|
|
esac
|
|
|
|
echo '.'
|
|
|
|
# Do traditional (but rather obsolete) rc.local file if it exists. If you
|
|
# use this file and want to make it programmatic, source /etc/defaults/rc.conf
|
|
# in /etc/rc.local and add your custom variables to /etc/rc.conf, as
|
|
# shown below. Please do not put local extensions into /etc/rc itself.
|
|
# Use /etc/rc.local
|
|
#
|
|
# ---- rc.local ----
|
|
# if [ -r /etc/defaults/rc.conf ]; then
|
|
# . /etc/defaults/rc.conf
|
|
# source_rc_confs
|
|
# elif [ -r /etc/rc.conf ]; then
|
|
# . /etc/rc.conf
|
|
# fi
|
|
#
|
|
# ... additional startup conditionals ...
|
|
# ---- rc.local ----
|
|
#
|
|
if [ -r /etc/rc.local ]; then
|
|
echo -n 'Starting local daemons:'
|
|
sh /etc/rc.local
|
|
echo '.'
|
|
fi
|
|
|
|
# For each valid dir in $local_startup, search for init scripts matching *.sh
|
|
#
|
|
case ${local_startup} in
|
|
[Nn][Oo] | '')
|
|
;;
|
|
*)
|
|
echo -n 'Local package initialization:'
|
|
for dir in ${local_startup}; do
|
|
if [ -d "${dir}" ]; then
|
|
for script in ${dir}/*.sh; do
|
|
if [ -x "${script}" ]; then
|
|
(set -T
|
|
trap 'exit 1' 2
|
|
${script} start)
|
|
fi
|
|
done
|
|
fi
|
|
done
|
|
echo '.'
|
|
;;
|
|
esac
|
|
|
|
if [ -n "${network_pass3_done}" ]; then
|
|
network_pass4
|
|
fi
|
|
|
|
# Raise kernel security level. This should be done only after `fsck' has
|
|
# repaired local file systems if you want the securelevel to be greater than 1.
|
|
#
|
|
case ${kern_securelevel_enable} in
|
|
[Yy][Ee][Ss])
|
|
if [ "${kern_securelevel}" -ge 0 ]; then
|
|
echo 'Raising kernel security level: '
|
|
sysctl -w kern.securelevel=${kern_securelevel}
|
|
fi
|
|
;;
|
|
esac
|
|
|
|
echo ''
|
|
|
|
date
|
|
|
|
exit 0
|
|
|